Develop “pinch" grip and improve overall hand/forearm strength with this awesome strength tool that has an interior post that “slips" from the unit when the user’s grip fails. Grip measures about 4". Loophole on the interior post lets you attach free weights or dumbbells for advanced training. Includes 2" wide nylon lead and 1 carabineer. Assembly required. Weights and dumbbells sold separately. Black. 6-1/2" L x 4-1/2" W x 3-1/2" D. 5 lbs.