Finger Spring DeRoyal® LMB Dynamic Wire-Foam™ Adult Large Without Fastening Left or Right Hand White

Features

• Assists extension of the PIP or DIP joints
• Use on a supple joint that cannot extend without assistance
• Adjustable dynamic tension
• May be worn on adjacent fingers
• Wire-Foam™ for a customized fit
• Force at full flexion is 1-3/4 lbs., at full extension is 1 lb.
• For sizing, measure the volar surface distance from MP crease to distal finger crease