Upgraded Right Angle Clamp: Made of premium aluminum alloy, painted with anti-rust gray mask, this clamp is strong, sturdy and durable. Swivel Jaw: Galvanized steel chuck with bidirectional rotating jaw that can be adjusted to align and hold different sizes of workpieces with precision. Rubberized single handle and steel nut: rubberized single handle, non-slip, high strength; steel rotary nut, wear resistance, not easy to screw. Speed ??up the work process and make work easier. Maximum clamping range: 68mm, which can clamp materials such as steel rod, metal tube, wood, thick glass, etc., and can join two wood blocks of different thickness at 90 . WIDE APPLICATION: This angle clamp is perfect for assemblies, alignment, nailing, woodworking, soldering, screwing, making cabinets, boxes, photo frames and aquarium, etc. .