GRK 11137 RSS UberGrade Rugged Structural Screw, 10 x 3-1/8", 236-Count SummerEndSale 7-1/2" total lift height

7-1/2" total lift height

a brass adjustable cone nozzle and ergonomic handle for easy pumping and carrying

or br30 bulbs

8 adjustments

Threaded center hole

GRK 11137 RSS UberGrade Rugged Structural Screw, 10 x 3-1/8", 236-Count SummerEndSale 7-1/2" total lift heightGRK Rugged Structural Screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. RSS screw which is 3 1 8" and longer have CEE thread that enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily and increasing the screws