Brand Name: Acco | Number in Package: 12 each | Paper Clip Size: Medium Binder clip is designed for efficiency, compressing paper with a strong grip that virtually eliminates slipping even at maximum capacity. Clip easily releases with a pinch of the arms. | Tempered steel binder clips provide a uniform non-slip grip that will not weaken over time | Durable electroplated finish and nickel plated wire arms are rust and scratch resistant | Wire arms can be removed for permanent binding