STANLEY TRA700BN HEAVY-DUTY NARROW CROWN STAPLE & BRAD ASST 2500 PK FOR HEAVY-DUTY STAPLING JOBS SUCH AS INSULATION CARPET UNDERLAYING AND ROOFING FELT. COLOR-CODED PACKAGING MAKES SIZE AND PRODUCT SELECTION EASY. INCLUDES (336) 1/4 IN (6 MM) 24-GAUGE STAPLES (504) 5/16 IN (8 MM) 24-GAUGE STAPLES (504) 3/8 IN (10 MM) 24-GAUGE STAPLES (504) 1/2 IN (13 MM) 24-GAUGE STAPLES (252) 9/16 IN (14 MM) 24-GAUGE STAPLES (400) 5/8 IN (16 MM) 18-GAUGE STAPLES FOR USE WITH TR60 TR85 TR100 TR110 TR110 TR150 TR150HL TR200 TR250 TRE500 TRE550 PHT150 PHT250 PHT350T