[Material Quality]Our corner clamps for woodworking are made of aluminum alloy. accurate to 90° Rugged and . [Versatility] The corner clamps for woodworking align two pieces of wood, planks, metal, or glass into the clamp at a 90-degree angle, suitable for fish-tanks, photo frames, small furniture, welding, and molding. [Accuracy]90 degree clamp set allows you to make and reinforce frames with featuring maximum clamping range of 3-inch. The swivel jaw can rotate the clamp to adjust work-pieces to different thickness. The reinforced connection and metal diagonal connection part of the angle clamps decrease the excessive pressure which can cause breaking., Weight: 1.24010022375 Pounds, Manufacturer: Prterver