The Tacwise 53 Staple Selection Pack for Hand Tackers/Hammer Tackers includes various size staples that are perfect for intricate and discreet work. These fine, wire thin staples measure 1/4, 5/16 and 3/8 inches long (2,000 of each size) and are suitable for use with Tacwise Z1-53, Z3-53 and Z3-53L hand tackers as well as the Arrow JT21 models. Tacwise is a new brand of rugged tools and accessories for the professional tradesman. The professional, Tacwise brand has evolved from 40 years of power tool know-how to best reflect the powerful and durable nature of the new products -which are high quality, feature packed and hard wearing with a robust and practical design.