Specifications: Material: ABS + Polycarbonate Colors: Black Size: 8 * 3 cm / (3.15 * 1.18 inch) Properties [Compatibility] Can be used to hold all kinds of metal sheets on the tube frame. Compatible with any type of pipe, including PVC. [Reinforced Plastic Clamps] Our clamps are freeze and UV resistant for extended use indoors or outdoors. outside. The material is held firmly even in a windy environment. [Ideal Choice] Ideal for greenhouses, shelters, banner frames, quilting frames and more. Scope of delivery: