GRK RSS Rugged 1/4 In. x 3-1/8 In. Star Drive Washer Head Structure Screws (50 Ct.) Harvest-Guard Propels itself across the lawn

Propels itself across the lawn following the pattern laid out by the hose

wall mount

Blade is constructed with stainless steel for long life and a durable cutting edge

A PVC suction and discharge hose for water

GRK RSS Rugged 1/4 In. x 3-1/8 In. Star Drive Washer Head Structure Screws (50 Ct.) Harvest-Guard Propels itself across the lawnGRK RSS Rugged Structural Screw is a structural fastener designed for ease of installation and the strongest of connections. With proprietary features like the Zip Tip, and W Cut thread, RSS fasteners drive into most woods without the need for pre drilling. The specially engineered design results in a low effort installation, especially compared to conventional lag screws. RSS Rugged Structural Screws have a Climatek Coating for installation in both