Bostitch CAPPAK-1M Cap Staple, 5/16 in W Crown, 1 in L Leg, 18 Gauge, Steel, Electro-Galvanized, 1000/PK

1 in plastic Bostitch caps & 5/16th crown, 18 ga 1 in staples eliminate pull-through when installing felt, house wrap and foam board insulation. For use with Bostitch cap stapler (273.5660) fits Bostitch tools SB150SLBC-1.