These 20 mm diameter bench dogs are equipped with a T-screw for fastening to the underside of guide rails. When formatting on multi-function tables with a plunge saw, this eliminates the annoying bench dogs that normally hit the sides of guide rails. By fixing the bench dogs to the guide rail, it cannot come loose, e.g. due to vibrations. The depth stop collars supplied can be set exactly to the respective material thickness on the scale of the bench dogs. The knurled end of the bench dog increases the grip when tightening to the guide rail. Stainless steel bench dogs, anodised aluminium stop collars. Scale 0-75 mm.