【Size】20mm x 20mm x 15mm / 0.79" x 0.79" x 0.59" (L*W*H).【Material】Made of plastic material, lightweight and non conductive, durable to use.【Easy Installation】With 2 mounted hole, can be fastened with screws (screws excluded).【Use】Specially designed with 90 degree right angle, can be used to build a frame, serve as a corner connected.【Applications】Suitable for screens, windows, chests, furniture, drawer, dresser, trailer, etc.