GRK R4 #9 x 3-1/8 In. Star Drive Multi-Purpose Wood Screws (720 Ct.) 4 Adjustment ring enables controlled bit

Adjustment ring enables controlled bit depth changes to within 1/64"

4-position adjustable seat back

4 preset fan levels

Arched blade design prevents binding and allows for smoother cutting

GRK R4 #9 x 3-1/8 In. Star Drive Multi-Purpose Wood Screws (720 Ct.) 4 Adjustment ring enables controlled bitGRK R4 Multi Purpose Screw is a versatile fastener that delivers increased productivity for hundreds of applications. Its feature rich design provides a fast and reliable connection every time. R4 Multi Purpose Screws have a Climatek Coating for installation in both interior and exterior conditions where exposure to moisture is intermittent and is code approved for use in treated lumber.