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.