GRK R4 Multi-purpose Screws 10 x 4" (50 pcs) 
For use in framing, floor work, decking top boards, railings, and other remodeling applications. For use in interior and exterior conditions, and the GRK Climatek coating is approved for use in treated lumber.
- Self-tapping, countersinking head; W-Cut thread design
- One package contains 50 screws
- Climatek coated for all weather corrosion protection conforms with ICC#2442
- For use in wood, particle-board, cement fiberboard, plastic, and sheet metal
- Drives like butter…no need to pre-drill
- Draws boards together effortlessly
- Reduces wobble, no worry about drive bit slipping out when working in tight spaces
- Size: 10 x 4"