IRWIN Quick-Grip Q/G59400 QUICK-GRIP HANDI-CLAMP 100mm (4in) The IRWIN QUICK-GRIP® HANDI-CLAMP® features a strong ratcheting mechanism that provides a variable clamping pressure of 20kg (44 lbs). The quick-release trigger allows for fast and easy positioning and release. They are manufactured from a durable glass reinforced material and feature non-marking pads to prevent damage to the workpiece when under compression. The ideal clamp for jobs in the workshop house and garden. Specially designed jaws hold odd-shaped workpieces. 1 x IRWIN QUICK-GRIP® HANDI-CLAMP® 100mm (4in).