DescriptionThe stud knob, is the essential tightening and adjusting solution for your homemade workshop jigs/fixtures, feather boards and precision saws fences, or in any other applications where stud knob will fit the bill. Ergonomic and large, this convenient accessory allows for easy and quick tool-less adjustment.Features- Color: Black.- Material: Carbon Steel + Plastic. - Size: 3.50X2.50X2.50 cm/ 1.38X0.98X0.98 inch. - Plum shaped knobs threaded clamping tightening screw. Great replacement for your broken one with this plum knob. - Surface nice finish for comfortable grip. Widely used for lathe machine. - Safe, secure hand-grip for the ultimate in adjusting and tightening control. - Knob is constructed for wear resistance and corrosion resistance for lasting use. - Stud is precision built out of carbonsteel and plastic for durability and strength.