Mount the 4 in. Drill Press to your drill press table and get line of work results with arrant hole placement every time. Whether it 's a wood, metal, or elastic part, you can better, faster and safer knowing it 's properly secured and wo n't shift or twist. Made from 30,000 PSI iron, durability and dependability are built in. The certain grip of similar steel jaws is evenly across workpiece surfaces, preventing slipping or crushing. refined big top surfaces are and honest, to support workpiece and keep it conservativist to drill bit travel. massive bolt-down for peak mobility while re-positioning. the chromium-plate plated protein folding bar handle and the jaw glides smoothly along the Acme-threaded intense screw without binding or chattering, even as clamping pressure increases.Specifications : Material : Cast ironJaw opening : 4-3/8 in.Throat depth : 1-1/16 in.Weight : 7.25 lb.Tensile strength : 30,000 PSIMounting holes -LRB- 4 -RRB- : 2-3/4 in.