Quantity : Set of 50. Material: stainless steel, durable and not rust.</br> Total length (hook+clip):3.3cm/1.3"(approx.);Clip length: 2.0cm/0.78"(approx.);Clip Width:0.95cm/0.39"(approx.) .</br> Hanging hook opening: 0.4cm/0.16"(approx.)</br> Perfect for hanging photos, drapes, and many other home uses!</br> Teenitor Brand products.