Simpson Strong-Tie S07225FBB Trim-Head Decking Screw, #7 x 2-1/4", 3MFor superior corrosion resistance in marine or high exposure environments where PVC or composite decks are installed. Trim Head screws provide a clean finish because of their special head design. 6 Lobe drive stainless steel (with painted heads) for hand drive applications, as well as collated square drive versions (with and without painted heads) for Quik Drive auto feed screw driving systems. Qty: 3 M Type 17 point for fast starts Trim style head is