Application It is suitable for fine adjustment screws with a diameter of 1 in and is suitable for U2 universal knife sharpeners. It can be used in workshops, lathes, and factories. Specification Color: Green Style: Modern Material: Iron Process: Spray Painting Assembly Required: Yes Model: U2 Suitable Sharpener Machine: For U2 Universal Sharpener Base Length: 6cm/ 2.4in Middle Part Length: 12cm/ 4.7in Top Part Length: 19cm/ 7.5in Product Overall Height: 21cm/8.3in Fine Adjustment Screws Diameter: 25mm/1 in Packaging Size: 32*28*21cm/12.6*11.02*8.27 in Gross Weight: 5.2kg/11.46 lbs Net Weight: 4.94kg/10.89 lbs Package Included 1* Universal Grinding Machine Holder Assembly.