The L.H. Dottie RX501 Staple is a 2 Nail made of 12 gauge steel. 1/2-inch trade size (1/2-inch width, 1-inch length). Rust inhibitor. Finger friendly. Boxed in pails. Made to hold (2) 14 AWG/(2) 12 AWG Romex Cable. This listing is for a standard package containing 100 units. Caution: always wear eye protection when using this product.