GRK Fasteners RSS 10221 Structural Screw, 5/16 in Thread, 3-1/8 in L, Washer Head, Star Drive, Steel HAND MECHANICS Grid Iron" features a stamped

Grid Iron" features a stamped honeycomb pattern throughout the body of the blade that greatly increases the rigidity of the blade

Dwellings not exceeding 3 floors above grade

rain and moisture over time to remove unwanted stains on fences

Multi-groove ratcheting system provides precise jaw positioning to grip any type of surface

GRK Fasteners RSS 10221 Structural Screw, 5/16 in Thread, 3-1/8 in L, Washer Head, Star Drive, Steel HAND MECHANICS Grid Iron" features a stampedGRK's RSS" 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 that are 3 1 8 in and longer have CEE threads which enlarge the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily and increases the screw's drawing