Profile: Maner Builders Supply Co. deals with fasteners, hardware, plumbing products, power tools & accessories and hand tools. We offer hand tools such as electric drills, cordless drills, power handsaws, electric planers, laminate trimmers and floor sanding equipment. The ⅜ in. Hd griplock 7A drill has variable speed control, all metal gear case & diaphragm and 360-degree positive lock side handle. The ½ compact drill requires two handed operation for large hole drilling or material mixing. It has features such as 450 rpm operating speed, for large bits or any hi-torque application.