3/4" Small Bench Dogs Feature Overview Tool Theory bench dogs are the perfect addition for any bench hole worktop. Our aluminum bench dogs are CNC turned out of 6061-T6 aluminum for a durable finish. Each bench dog is quality control checked with our precision measuring tools in Omaha, Nebraska before shipping out. Black anodized finish for a sleek look and long-lasting durability 3/4" (19.01mm) fit to allow for dog hole tolerances, works great with custom worktops M8x1.25 threading to accommodate clamping underneath worktop with clamping knobs (sold separately) The small bench dogs have a collar diameter of 25.00mm Precision Fit The Tool Theory line of 3/4" bench dogs have a diameter of 19.01 mm with a guaranteed +/- 0.02mm tolerance. We spent countless hours testing different diameters, and we believe that 19.01 mm allows a perfect fit for most bench tops. Our bench dogs have an insert depth of 17 mm. We wanted to make sure that clamping knobs can be used with all of the most common depths of worktops. This ensures that you are able to use clamping knobs on 18 mm and 3/4" thick bench tops. M8 Threading Do you want absolutely zero movement? Our bench dogs come with an M8x1.25 threaded tap. This will allow you to use clamping knobs to secure your bench dogs to the worktop. You can purchase a set here. What's Included? (2 or 4) 3/4" Small Bench Dogs Technical Details Material 6000 Series Aluminum Alloy Finish Black Anodized Base Diameter 19.01 ± 0.02 mm Base Length 17.00 mm Collar Diameter 25.00 mm ± 0.02 mm Collar Length 10.00 mm