GRK RSS Rugged 5/16 In. x 4 In. Stainless Steel Structure Screws (45 Ct.) SimplePrep reversible motor provides optimal performance

reversible motor provides optimal performance in summer and winter

accurately positioned holes

AUTO-SHUFT-OFF control applies no more than 35 ft-lbs of torque for hand-tight fastening applications to prevent overtightening

and can be bolted together

GRK RSS Rugged 5/16 In. x 4 In. Stainless Steel Structure Screws (45 Ct.) SimplePrep reversible motor provides optimal performanceGRK RSS 305 Stainless Steel Screws provide superior corrosion resistance for high moisture environments. 305 Stainless Steel Screws are for applications that require superior corrosion resistance in exterior environments with high moisture content, such as docks, boardwalks, pools and hot tubs. These screws are also for use with cedar, redwood, and various wood species that have higher acid content.