Description: Stanley TRA706-5C, Heavy-Duty Narrow Crown Staples 3/8", 5,000 Pack For heavy duty stapling jobs such as insulation, carpet underlaying and roofing felt. Color-coded packaging makes size and product selection easy.For use with: TR100 Series, TR200 Series, TRE500 Series, PHT150, TR60; Arrow ET50, ET2025, ETC50, ETF50BN, ETN50, TR50 OC, T-50 PBN, T-55, T55 C, T-50, HT50A; Powershot 5700, 8000.