Set of 4 Right Angle Clamp, 90 Degrees 100mm Corner Clamp, Picture Frame Holder, Glass Holder, DIY Woodworking Holder Package Includes 4 x Right Angle Clamps. Suitable for box framing, drilling, doweling, and more. Corner Clamps - Perfect to hold joint at a 90 Degree Angle, Can also be used for 45 degree sawing. Aluminum alloy construction with steel screws. High hardness, will not rust. Maximum clamping range 75mm/3in, generally 4 right angle clamps all together to use. Right angle clamp holder for woodworker, carpenter, photo framing and aquarium framing etc.