The Stinger CS150 shoots 7/16" crown 18 gauge staples in length of 7/8”, 1-1/4” and 1-1/2” x 7/8 crown 18 gauge staples together with 1" plastic caps. Ideal for installing roofing felt/synthetic, foamboard and housewrap. The tool has a lightweight, compact design. making it easy to maneuver. The design is ergonomic to reduce arm fatigue, and the clear, large capacity basket feeds in seconds for fewer, faster reloads.