[Ergonomic Design] The handle of our spring clamp is designed according to ergonomics, so it is very comfortable to use. Each handle of the nylon spring clamp is non-slip, providing a comfortable grip.  [Various Uses] This heavy-duty nylon spring clamp is an ideal tool for securing tarps, photographs, gauze, backdrops, screens, reflectors, carpentry, photos or other craft canvases to garden furniture, etc., suitable for indoor or outdoor use. [Easy to Tighten] Our woodworking spring clamps are not only designed to provide easy one-handed tightening, but the ergonomic handle and trigger are both comfortable and lightweight to use. Finely serrated edges can hold fabrics and other surfaces for a better hold.  [High-quality materials] The wood clamps are made of high-quality nylon, carbon steel and high-toughness springs. The non-slip serrations in the clamp can increase the clamping force, and the clamping is stable and durable. The spring is fixed by screws, which is durable, long service life and has strong clamping force. [Ultra-wide clamp opening] When fully opened, the maximum opening between the inner edges of the clamshell can reach 3 inches, making it suitable for thicker materials and more things. Product weight: 143G Total length: 155MM Spring: 3.2MM Throat depth: 55CM Clip opening size: 60MM Plastic head length: 26MM Iron sheet thickness: 1mm Tail opening size: 110MM Tail plastic length: 70MM Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.