The Jorgensen ISD 6-Inch one handed bar clamp delivers 10-40-Percent more clamping force than any other one handed bar clamp on the market. The ISD clamps have dual durometer handle for a soft comfortable grip. The ISD clamp can also be used as a spreader clamp. The clamps have a 2-1/2-Inch reach with soft durable protective pads. Adjustable Clamp 33006 6" Jorgensen ISD Bar ClampThe Adjustable Clamp Company was incorporated in 1903, by Adele V Holman, to manufacture genuine Jorgensen Handscrews. Today 5 generations later great-great-grandson Douglas Holman is President of the company. Throughout the years each Holman has put his or her mark on the company.Adjustable Clamp 33006 6" Jorgensen ISD Bar Clamp Features;; Dual durometer handle for comfort; 10 to 40 more clamping force than market; 6"