This table top rod locking bar fixing tool is an essential accessory when doing woodworking. Features. Made of stainless steel and brass, precision machined to resist breaking and bending for long life. Suitable for 20mm diameter table top holes, please check before ordering. It comes with an 8 mm ratchet for your use. Together it gives you a better wearing experience. Easy to operate, it does not require much professional skills and can be used in your daily work. Small and easy to carry, you can put it in your toolbox and take it with you wherever you want to use it. Specifications. Material: stainless steel + brass Applicable hole: 20 mm diameter Colour:Silver,Gold Packing list. 1 * Tool set screw pin locking lever fixing