Rapid No. 140 precision cut flat wire staple are made from high-performance stainless steel for strength and durability. Flat wire staples have a larger holding area against the material, making it ideal for thin plastic or insulation. Stainless steel wire classification class 2 AISI 304 ideal for outdoor use or use in humid areas. Type 140 (stainless steel). Size 10mm leg length Quantity 650. For use with Rapid R34, R44, R64, ALU740, ALU840, ALU940, R11, R311, R54, E-tac, ESN114, R214, PS111 tackers.