Specification: Material: Hot Rolled Steel + Stainless Steel + Red PVC Maximum Load Capacity: 318 kg / 701 lbs Tight Fit: 4.13 *4.44cm Mounting hole: about 0.8cm Cold rolled steel plate material The quick door toggle latch is made of high quality cold rolled steel and assembled by stamping, the surface of cold rolled steel is electroplated and not easy to rust, it has high strength, wear resistance, rust resistance and durability . The surface is polished and the thickened rivets are more durable. Strong load-bearing capacity Release latch adopts full-thread push rod screw, die-casting, turning and milling in stainless steel, which is a solid fixed type with high load-bearing capacity. The clamping is more stable. Clamp fit: 4.13*4.44cm, mounting hole: about 0.8cm, the clamping force is 318kgf, the excellent quality of won't let you down. Adjustable Knee ClampThe base of our door lever lock is thickened, which is more stable and durable, it adopts four-bar dead center mechanical principle to create a quick clamp, quick release structure, flexible and smooth, and it doesn't swing out. The design is very flexible. Non-slip handlePVC die-cast rubber sleeve is not easy to carry, does not hurt your hands, is convenient to use, and is not easy to slip , which can protect your hands from injury during use. The overall structure of the joiner's clamps has an ergonomic design that provides both aesthetics and convenience, it can help you firmly hold the workpiece and prevent the workpiece from slipping. Multi-purpose tool The toggle latch clamp can be clamped quickly, suitable for doors, machinery, automobiles, jig assembly and other medium to heavy duty applications, etc. Quick clamping force is stable, safe and reliable, reducing the processing of each part and assembly labor time, high efficiency, is an ideal tool for assembling equipment.