The ITW Ramset 1503K 1/2-inch Plated Knurled Drive Pin Fastener - 100-Pack is designed for use in concrete and structural steel applications. The ITW Ramset 1503K is specifically fabricated to meet the exacting requirements of toughness and durability which enable deep penetration in the most dense concrete and structural quality steel. Great for 2 x 4 framing, electrical boxes, drywall track and sub-flooring, the ITW Ramset 1503K is a great all-around fastener. Features: * Designed for use in concrete and structural steel applications - 100 per box * Quick fastening into concrete, block, and steel with no pre-drilling required * Ramset pins and loads can be used in most Hilti and Remington tools * Fasteners available for all types of pressure treated lumber What"s In The Box: * ITW Ramset 1503K 1/2-inch Plated Knurled Drive Pin Fastener - 100-Pack