The Xtensor™ Finger Extension Exerciser from Fabrication Enterprises, available through LabSupplies.com. Choose your pack size above. Exercise and rehab tools for strength, mobility, and recovery. Backed by McKesson quality and reliable fulfillment.Features & Benefits An essential tool for those recovering from tennis elbow; tendonitis in the wrist; overcoming the effects of a stroke and hand trauma rehabilitation Three resistance levels per finger Thumb slots on both sides of unit Xtensor applies tensions when opening the hand using an optimal line of motion replicating the opposite movement to closing the hand Specifications Manufacturer Fabrication Enterprises Brand Xtensor™ Product Type Upper Body Color Blue Ordering & Cross-ReferenceOrder or search by McKesson item number, manufacturer number (MPN), or UPC/GTIN: Pack McKesson Item # Mfr # (MPN) UPC / GTIN Each 766155 10-0960B 00714905019806