Arrow Wiremate Ergonomic Wire Stapler, a compact design with powerful staple throw. It is a precision and ease for 1 handed use. It has push button loading mechanism and release. It is made of quality plastic housing with steel components. It provides a light weight yet durable stapler. It is for low voltage wire up to 1/4" 6 mm diameter. It uses Arrow staples TV#'s 699785 (#256), 699793 (#257) & 699801 (#259). Great for wiring projects. Compact, powerful, precise, grooved guide ensures consistent stapling. For up to 1/4 inch diameter wires. Uses T25 staples (Sku #415.8796, #415.8812, #415.8846).