DeRoyal LMB Light Extension Finger Spring
GTIN 00749756127301
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DeRoyal LMB Light Extension Finger Spring
Produces extensions of the PIP or DIP joints
Capable of fully extending supple joint
May be worn on adjacent fingers
Tension adjustable by careful bending
Lighter tension than models #501, #502, #507 and #508
Force: Full flexion ≈ 1.75 lbs.; Full extension ≈ 1.0 lbs.