Set of 6 Boxes Mixed Size Paper Clips (12 Pieces per Box). Set includes 6 boxes, each containing 12 paper clips in assorted sizes: 51mm, 41mm, 32mm, 25mm, 19mm, and 15mm. Black binder clips can hold documents together to prevent the paper from slipping or pulling out. Help your work easier and make your work more planned. The 19 mm wide binder clip, which can meet your different using needs. It can be used for food clamps, clothes, furniture and outdoor applications. Our bulldog clips are made of strong steel, with smooth powder coat finish and nickel plated handles, durable and rust-resistant, the smooth surface of the clips prevents snags and marks on papers.