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Adjustable dual track
The translucent dirt bowl makes it easy to see the dirt level
tail piece
A bit for every job
Large spindle lock-provides easy disc changes
GRK 10221 UberGrade Rugged Structural Screw, 5/16" x 3-1/8", 500-Count In Stock Adjustable dual trackGRK's RSS 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 screws which are 3 1 8" and longer have a six threaded CEE thread that enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily and
