Introducing the 12, 24, 36 Inch Bar Clamp (Trigger Clamp) with 18, 30, 42 Inch Spreader by POWERTEC. This ratcheting bar clamp/spreader is ideal for clamping smaller workpieces in confined spaces. Whether you're assembling or gluing your woodworking material, this clamp was designed to keep your workpieces together, while providing an even distribution of consistent force. Unlike cheaper plastic versions that fall apart with a tiny bit of pressure applied, this premium bar clamp flaunts a sturdy, carbon steel construction that prevents flexing and bending. These clamps feature an ergonomic design with a one-handed, easy-grip handle and quick release trigger for fast and easy clamping adjustments. Easily convert from clamp to 18/30/42 inch spreader by placing the fixed jaw on the opposite end of the bar. It possesses soft nylon vice jaws that provide a secure grip, but are non-marring - protecting your work surfaces and material from damage.