Main working parameters: Shaft: 400mm Clamping: 38-42mm Single stroke: 0-60mm Substrate: aluminum alloy Detailed description: Electric grinder jaw range (35-38mm) Electric drill jaw series (38-42mm) Sorghum: 20mm Electric grinder jaw range (35-38mm) Electric drill jaw series (38-42mm) Sorghum: 20mm Drill Stand for Hand Drill This is a new adjustable drill stand, perfect for shop or home use.Designed for use with power drills with collar diameter of 43mm or 38mm（1.7'' or 1.48''）. Drilling depth up to 60mm(2.4''), has 2 holes for mounting.It has a solid column bar and sturdy base with slots for fitting a machine vice. Double Hole Clamp Drill Press Stand Workbench Repair Kit The plug-in rig is ideal for keeping the drill bit stable during use and more precise than handheld operation. (Specific deviations, and the concentricity of the used electric drill, as well as personal operation technology, have a great relationship.) The electric drill has high concentricity and small vibration, which can reduce the deviation. Drilling depths up to 60 mm, with solid struts and a sturdy base with slots for machine vise. Equipped with rubber sleeves to make the electric drill more firm Double holes are more suitable for your needs than single holes. Double Hole Clamp Drill Press Stand Workbench Repair Kit Bracket height fixing sleeve Designed with a bracket height fixing sleeve, which can adjust different bracket heights according to the working height and the length of the drill bit, all designed to be consumer-oriented Aluminum alloy base bottom With desktop fixing screw holes, it is more convenient and safer to operate. An expansion slot is designed on the bottom surface to install a vise or mold. Humanized handle design User-friendly handle design is comfortable and durable.The electric drill is equipped with a rubber sleeve for a firmer clamping and double holes.