About this item WELL CONSTRUCTED - Our corner clamps are made of high-quality material, it is light and durable.The Compact, Strong, Heavy duty spring is made of stainless steel, smooth and durable. Protective rubber keeps from scratching your frame.It could hold the block tightly, but not too tight.Clamping force is about 10 lbs. ADJUSTABLE & EASY TO USE - These corner clamps are adjustable, can fit 0.32" - 1.06" thick board and work for 90 degree corner, T-joints,L-joints and F-joints. Fit 0.24" - 0.75" thick board for 60 degree and 0.4" - 1.26" thick board for 120 degree. Also allows you to working with two different thickness board. Its compact and well-sized design fits naturally in your hand for comfortable control so that you can operate the spring clamp only by one hand. MULTIFUNCTIONAL & WIDELY USED - These Corner Clamps are very suitable for welding, drilling, making cabinets, photo framing,woodworking, cabinet and furniture repair connection,wooden DIY, etc.It is extremely good for very small wood projects like photo frames, you can build bee boxes, cabinets and alot of drawers. PACKAGE INCLUDED - Set of 4 Right angle clamps.They are completely multifunctional great for screwing or glueing boards or for small projects just to give you some hold. Help you save labor time, reduce the workload. BUY WITH CONFIDENCE - We are committed to 100% customer satisfied serve. If you have any question with the item , please contact us , weҬl reply and solve your problem within 24 hours. Thanks for your choice!