BASIC PARAMETER: Max Jaw Capacity: 305 mm for clamps/ 440 mm for spread. Throat Depth: 60 mm from bar top of pad NON-MARRING PADS: Soft jaw pads offer a sure grip, and will not scratch or mar workpiece surfaces 68KG OF FORCE: Consistent pressure to hold workpieces together for gluing or assembly. Construction with hardened steel bars to prevent flexing and bending QUICK RELEASE DESIGN: Press the quick release button to freely position the jaw, support one-handed use. If you need to push pieces apart or press them against outside surfaces, convert clamp to spreader by loosening wingnut and moving fixed jaw to the opposite end of bar APPLICATIONS: Perfectly sized clamps for a wide range of woodworking & DIY projects as well as model-making, crafts