Quickly and accurately fix the parts to make woodwork easier and more convenient. Spring clamps geometric textured surface for better friction to clamp and fasten. The trigger design provides a simple one-handed operation, the F woodworking clip can be quickly released using a one-hand. Making your working easier and more efficient. Specifications: Material: Plastic + Alloy Colors: Black and Orange Maximum Clamp Spacing: about 10cm / 4in Maximum Jaws Open Size: about 5.5cm / 2.2in Packaging Includes: 4 x Woodworking Quick Grip Clamps 6 x Heavy Duty Nylon Spring Clamps Warm Tips: 1.To convert the spreader, remove the steel sliding head from the rod and position it. Due to manual measurement, please allow small size errors.