Practical Woodworking Desk Clamp: This adjustable desk dog hole clamp is specially designed for splints, you can clamp any size or shape of work piece anywhere on the workbench. EASY TO USE: The bench dog clip fits bench dog holes. Place the dog hole jig on the workbench, use an 8mm ratchet wrench to operate the M12 stainless steel ram, and manually adjust the clamp strength to create a sturdy, non-slip work for a variety of woods. 'T HARM YOUR DESKTOP: The woodworker's adjustable stop sits a little above the tabletop so it 't interfere when planing or sanding thinner materials. Multifunctional Application: Professional Adjustable Vise Woodworking Tool is specially designed for home craftsmen and can be used daily without much professional skills. PREMIUM MATERIAL: Dog hole stopper is made of stainless steel and brass, CNC precision machining, strong rust resistance and long service life. size: 20mm Material: Stainless steel colour: As shown Package Contents: 2 x Desk Clamp 4 x Bench