Measure shoulder width from outside
to outside as shown here.

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We manufacture products to fit different body types as well as different applications


These rests fit about 95% of the population. Shoulder width is between 16 and 26 inches. Weight ranges from about 100 to 225 lb.




These rests fit people with very wide shoulders and bodies. Shoulder width exceeds 26 inches. Weight usually exceeds 225 lb.

Average: 1230CM


Large: 1230C

Average: 1224C


Large: 1230C

For more information, contact:
R & D Ergonomics, 22 Byram Avenue, Freeport, ME 04032
TEL: (207) 865-6445 Email: