*It is strongly recommended that you be evaluated by a hand specialist to ensure you are getting the correct splints for your needs*

Finding your size is easy!

Use this handy graphic of the bones of the hand to identify each problem  joint and the pictures next to each set of instructions to identify where to measure.

There are two methods:

The easiest and most accurate way is with this free printable ring sizer and ruler (will open as PDF in new window)Ring Sizer PDF

The other method is to use a thin flexible measuring tape (such as the little retractable ones found in sewing kits) to measure your joints and then locate your US ring size using this conversion chart (will open page in new window): Ring Size Chart PDF

If you don't have a measuring tape available the best method is to cut a narrow strip of paper- about 1/4"- to wrap around the joint, make an overlapping mark on the strip of paper then flatten it out and measure between the marks. It's important to use a narrow measuring tape (or strip of paper), the standard size ones will skew the measurement and cause the sizes to come out too large. The metal retractable household measuring tapes cannot be used. 

You can print out a convenient sheet to organize your sizes  here

 

If your measurements come out between sizes please round up to the next larger half size.

You can download the adjustment instructions for splints here.

Please follow the instructions as they are written and shown in the graphics. Measuring at an angle, measuring around the middle part of the finger, measuring around the base of the thumb etc. will cause the sizes to come out inaccurate.

The joints of the hand:

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Finding Your Size

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*It is important when measuring tape to find and convert sizes a narrow measuring tape. Wide and/or stiff measuring tapes will give the incorrect size*

For any style IP joint splints:

Swan neck, lateral, mallet support etc. Measure right around the joint(s) you need the splint(s) for, ensuring that the measuring tape or the printable sizer as shown in the picture with the single blue line. For fingers with a strong taper or PIP joints with a large size difference; measure at the top and bottom the joint(s) as shown (not above or below the joint on the finger) with the double blue line in the picture; to order select the larger size from the drop down menu and provide both sizes in the notes when checking out. If your measurement comes out smaller than the sizing on the chart just select the smallest size from the drop down menu and put your actual measurement/size in the notes for me.

Please note that not all sizes are available in all metal types, therefore measured sizes MUST be converted to ring size with the above conversion chart to be sure that your size is available in your desired metal.

Please contact me before purchasing if you are looking for splinting solutions for nodes in the IP joints. Sizing for nodes can be more complicated due to the difference between the joint itself and the surrounding finger, and in some cases severe nodes cannot be splinted because of this size difference.

Do not measure at an angle, measure straight around the circumference of the joint,

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Thumb Splints:

For standard thumb MCP splints the only measurement needed is the ring size taken at the IP joint. This is because the IP joint is the largest part of the thumb that the small ring of the splint will need to pass over, and we want to be sure you're able to get your splint on/off comfortably.

Thumb IP/MCP combination splints need the ring size taken at the IP joint and distance between the IP and MCP joints measured with the thumb slightly bent along the blue line as shown in the picture, you're measuring the gap that is there when the thumb is bent from the inside of the IP joint to a bit above the web of the thumb. This is to ensure that the bar connecting the IP part of the splint to the lower MCP splint ring is short enough that you will be able to bend your thumb normally while wearing your splint. This measurement is typically around 1.5cm-2cm/.5"-.75".

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Thumb MCP/CMC combination splints need the ring size taken at the IP joint and the length of the hand measured from the web of the thumb to just under the CMC joint as shown in the picture. If a non-adjustable chain type is selected the circumference of the wrist taken around the bottom blue line shown is also needed. Splints include a free adjustable chain by default. If you are having difficulty locating the correct spot please use the charts of the hand bones and joints at the top of the page to locate the CMC joint. This measurement is typically 6.5cm-7.5cm/2.5"-3".

Hand MCP Splints:

For any type of splint worn at the MCP joint- buddy splints, triggering splints, hand MCP hypermobility splints, you would measure the finger at the base where a typical band style ring would sit as shown in the picture. If there are issues with swelling it is best to measure when the hands are swollen to ensure the splint will fit properly even when the hands are swollen. If there are issues with the IP joints of the fingers a splint is for- such as nodes- please contact me before ordering if there's a large difference between the IP joint and the base of the finger to ensure you're getting a splint that can be worn with nodes. While some of the hand MCP splints are adjustable, most of them are not.

If your size is larger than available from the drop down menu please contact me to set up a custom order.

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Sized for another brand of splint? No Problem!

If you've previously been sized for another brand of splint or currently have sizes in another brand I can convert them for you! All of the smaller independent splint companies use standardized US ring sizes, but The Silver Ring Splint Co. and Oval-8 have their own proprietary sizing system. To order using those sizes please select the numeric size from the drop down menu and leave a note for me letting me know which company the sizes are from. For sizes from The Silver Ring Splint Co.  also add the size for the other side of the splint, and for Oval-8 let me know if you're wearing the splint with the larger or smaller size below the joint (there is a little plus sign on the splint indicating the larger end).

Please note that since there is a greater risk for sizing inaccuracy due to the method of sizing used with other companies I will not be able to extend my resizing guarantee to these sizes.

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 Please feel free to contact me if you have any questions about sizing or are unsure of what splint type you need! I'm always happy to help and am generally available via the chat during the day to provide live assistance!

Unsure of your sizes and want some hands on sizing help? Check our Size Pak!
Each Size Pak sizing kit contains five bi directional swan neck splints in a graduated set of sizes, a Multisizer sizing tool, a paper measuring tape to find the length measurements, and instructions for sizing your splints with a sizing worksheet to help you keep track as you go.
We also now have a therapists sizing kit available that contains everything needed to measure, including 15 splints sized 0-15 at a deep discount!
*Sizing Kits are Temporarily Unavailable*

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