Precise Sizing: These bar clamps for woodworking come in multiple sizes, with well-designed jaw openings and throat depths for easy handling of both small and large workpieces 154 lbs Clamping Force: These bar clamps handle everyday woodworking and assembly tasks, securely holding lumber, furniture, cabinets, and steel for cutting, joining, and installation work Premium Materials: These wood clamps for woodworking feature PA6 + 30% glass fiber handles for greater strength than ABS. The sliding bar is made of 45# steel for long-lasting durability User-Friendly Design: These F clamps include a self-locking latch, quick-release trigger, and spring clamps for fast one-handed adjustment and release, helping simplify your workflow Quick Clamping & Spreading: These clamps for woodworking also work as spreaders. Press the button to switch modes quickly, adapting to a wide range of jobsite tasks