Specification Brand : HARFINGTON BulletPoint1 : Size - Outer Diameter: 40mm / 1.6", Bore: 12mm / 0.47", Height: 25mm / 1", Handle Diameter: 25mm / 1". Comes with two screws to secure the shaft, ensuring a more secure fixation. BulletPoint2 : Material - Made of aluminum alloy, the lathe handwheel is strong, wear-resistant, corrosion-resistant and can be used for a long time. The surface is anodized to effectively improve corrosion resistance and wear resistance. BulletPoint3 : Feature - The inner hole adopts a circular chamfer design for shaft hole installation. equipped with a movable handle for effortless and smooth operation, the edge chamfer is aesthetically pleasing and offers a good grip. the machine handwheel's outer diameter also features a knurled design to effectively increase torque and prevent slipping. BulletPoint4 : Application - Machine hand wheel is suitable for lathes, drilling machines, milling machines, sliding displacement tables, stepper motor adjustment handwheels, industrial valves, etc. BulletPoint5 : Notice - Regularly check whether the handwheel is loose, pay attention to whether the lubrication is good, and perform maintenance in time. Color : Silver ItemName : HARFINGTON Aluminum Alloy Handwheel 40mm OD 12mm Bore Lathe Hand Wheel with Rotate Handle Aluminum Milling Machine Handle with Wrench and 2pcs Screws for Milling Machine Lathe, Silver Tone ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemTypeKeyword : hardware-hand-wheels Manufacturer : HARFINGTON Material : Aluminum ModelNumber : hta240902hh002268 NumberOfBoxes : 1 PartNumber : hta240902hh002268 ProductDescription : Made of aluminum alloy, the lathe handwheel is strong, wear-resistant, corrosion-resistant and can be used for a long time. The surface is anodized to effectively improve corrosion resistance and wear resistance. The inner hole is designed with a circular chamfer for shaft hole installation. Comes with two screws to secure the shaft, ensuring a more secure fixation. Equipped with a movable handle for effortless and smooth operation, the edge chamfer is aesthetically pleasing and offers a good grip. the outer diameter of machine tool handwheel is designed with knurling, which can effectively increase torque and effectively prevent slipping. Machine hand wheel is suitable for lathes, drilling machines, milling machines, sliding displacement tables, stepper motor adjustment handwheels, industrial valves, etc. Note: Regularly check whether the handwheel is loose, pay attention to whether the lubrication is good, and perform maintenance in time.