Specifications:GH-201-B Knee Clamp, Capacity: about 90 kg; Closure length: 142mm; Type: horizontal; Handle opening angle: 60; Opening angle: 85; Hole diameter: 0.5cm. Quality Materials: The mft grasshopper clamp is made of high quality galvanized iron with smooth surface, durable and wear-resistant, and not easy to rust. Joiner's toggle clamp stable clamping force, safe and reliable. Convenient Design: Push-pull design of toggle clamp holding ability allows you to hold the workpiece upright. When tightening, the control lever avoids any influence on the operation due to lateral thrust. The red handle protects your hands from hurting when using. Easy to Install: The installation of the horizontal clamp clamp is simple and convenient, you just need to fix the four positioning holes on the work table work. The lever clamp is easy to grip and features an adjustable rubber pressure tip and uses a rubber pin to quickly squeeze metal panels or circuit boards. Multi-Purpose: The toggle clamp works great on rapid replacement of steel sheet or circuit boards in machinery operations, woodworking, welding, mold making, electronic equipment assembly, etc. High efficiency, reduced labor time for machining and assembling each part.