STANLEY TRA708-5C HEAVY-DUTY NARROW CROWN STAPLES 1/2"" 5000 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 TR60 TR85 TR100 TR110 TR150 TR15HL TR200 TR250 TRE500 TRE550 PHT250 PHT350T