Features Soft finger straps permit each finger to be individually aligned for maximum control. Lined in soft felt, dorsal based splint leaves palm free for function. Sizing and Order Information Instructions: Lay hand flat and measure width across the hand from the 2nd to 5th MP (large knuckles). To assure that splints are properly prescribed and fit, you should see your health care provider before ordering so they may assist you in choosing the correct size and splint style for your condition. 3-Point Products is not responsible for incorrect or improper sizing, fit or use of splints.