GRK GRK-57778 - CALIBURN™ XL CONCRETE SCREW 19/64" X 3-1/2" -25bx laser kits Designed to withstand use in

Designed to withstand use in a rugged shop environment

you'll have the right tools for every project

secure latching

can be changed by simply pushing a button on the easy to use LED display

Nuts and Bolts

GRK GRK-57778 - CALIBURN™ XL CONCRETE SCREW 19/64" X 3-1/2" -25bx laser kits Designed to withstand use inHeavy Duty Concrete and Masonry Fastener Cailburn Concrete screws are professionally engineered fasteners with a patented thread design for ease of driving the screw into concrete and similar applications. Caliburn Concrete Screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in concrete and similar applications. Available in three different head styles for multiple applications. Caliburn, Caliburn