GRK GRK-16223 5/16" x 3-1/2" RSS Structural Screws (100-Pack) friction ring and lock it out for

and lock it out for security and protection of the user's investment when needed

The large LCD displays unseen hot and cold spots for instant troubleshooting

This light offers up to 18 hours of runtime with an M18™ XC 5

RELIABLE PERMALOCK fastener eliminates nut and bolt failure with increased joint strength

GRK GRK-16223 5/16" x 3-1/2" RSS Structural Screws (100-Pack) friction ring and lock it out forThe GRK RSS (Rugged Structural Screw) is a high performance alternative to traditional lag screws, designed to provide superior strength and ease of installation without the need for pre drilling. Engineered from specially hardened steel, these screws offer exceptional tensile, torque, and shear strength for critical structural applications. The 5 16" x 3 1 2" profile is specifically optimized for heavy duty framing, deck substructures, and ledger