Senco 07A200P DuraSpin No. 7 by 2-Inch Drywall to Wood Collated Screw (1,000 per Box) Made of good quality products Select propellants that deliver consistent accuracy and performance Product is manufactured in Taiwan DuraSpin collated screws make even the novice or apprentice user as fast as the most experienced bulk screw user Collated screws mean no more screw slivers underneath your fingernails, or painful finger cuts from bulk screws Reduced waste--eliminate the waste experienced with bulk screws (can be 10% to 15% of total screws used). Use with cement board, drywall, floor sheathing, underlayment, and wood 1000-pack