Check the listing for details. Jamar Hydraulic Hand Dynamometer, Lightweight Max Force Indicator. Color: Silver, Condition: New. Listed at 353.98 USD. Product Specification Color: SilverBrand: JamarItem Weight: 3 PoundsStyle: WrapShape: CylinderMeasures isometric grip force and strength increases in rehabilitation and physical therapy programsIdeal for routine screening of grip strength and initial and ongoing evaluation of hand trauma and dsyfunctionAdjustable handle allows user to quantify grip strength for different sized objects, accommodates small and large hands, with five grip positions from 1.375" to 3.375"Dual scale readout measures isometric grip force in both pounds and kilograms, up to 200 lbs. or 90 kgs., with a peak hold needle that retains highest reading until resetUnit comes with carrying/storage case, certificate of calibration, one year warranty, and complete instructions for hand strength and flexibility screeningProduct Description Jamar hydraulic hand dynamometer offers accurate and repeatable grip strength readings. Unit has an adjustable 5-position handle. Maximum strength indicator remains after each reading until reset. Registers in pounds and kilograms. Hand Dynamometer - Hydraulic - 200 lb. Capacity