Arrow Fastener ET50RED Pro Electrical Staple Gun, Uses Six Sizes of T50 Staples Ideal for upolstery, screening, trin/molding, insulation, house wrap, flooring, and general repairs Composed of high impact composite plastic that is built to last; Features an ergonomic soft rubber grip, quick bottom load, and a jam resistant mechanism Uses six sizes of T50 staples: 1/4-inch (6mm), 5/16-inch (8mm), 3/8-inch (10mm), 1/2-inch (12mm), 17/32-inch (13mm), and 9/16-inch (14mm) Electric firing technology with LED guide light; Contact Safety Mechanism for safe operation; Depth of drive control Includes rotating belt hook for convenient carrying and durable blow molded carrying case