1、Made from quality aluminium alloy material for extra durability, allows two wood block of different thicknesses to be joined at a 90 degree angle. 2、Rubber single handle with adjustable rotating jaw to align and hold work pieces accurately. Sturdy and antiskid, helps to install instantly and secure quickly. 3、Maximum clamping range is approx. 2.68in/68mm, jaw width: 3.74in/95mm, jaw depth: 1.4in/35mm, can clamp materials such as steel rod, metal tube, wood, thick glass, etc. 4、Swing jaw design, single handle jaw two way rotation can be adjusted. Accuracy right angle clamping tool, an essential for woodworkers, handymen and DIY lovers. 5、Can be used as a clamping device for 90° corner joints. Ideal for aligning, nailing, woodworking, welding, screwing, making cabinets, box and picture frames.