The DEWALT20V MAX Cordless Cable Stapler is designed for residential wiring applications, primarily for fastening Romex brand wire and cable. Made in the USA with global materials, this stapler features an exclusive cable guide that helps drive staples over the cable. The compact frame and lightweight design are ideal for tight spaces. A center-mounted LED helps eliminate shadows and illuminate the work area in low-light conditions. Compatible with DEWALT DRS18100 1" Insulated Cable Staples (sold separately). Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.