Features: *Brand new and unused. *Made of high-quality materials. *Widely used for mechanical equipments, instruments, apparatus, food and industry equipments. *The star knob screw are galvanized to improve wear resistant and resistant. *The handles are safe and firm and comfortable to hold, which can be optimally adjusted and tightened. *Clean and accurate thread makes installation easy and practical. Specifications: *Product name: Star Hand Knob *Color: Black *Material: 45# steel *Model:M8*60 *Size: as shown *Quantity: 1pc/ 2pcs Package Content: (A/B/C Optional) Package A: 1* Star Hand Knob Package B: 1* Star Hand Knob 1* Rubber Gasket Package C: 1* Rubber Gasket Note: 1.Transition: 1cm =10mm =0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data