Specification: Material: Bearing Steel Length: Approx. 12.5cm/ 13.5 Diameter: Approx. 3.5 cm/ 4cm Shank Diameter: Approx. 8mm/ 12.7mm Color: Silver As The Picture ShowsThis product uses deep groove ball bearing triple bearing design It has high rigidity and high wear resistance It is one of the indispensable accessories for machining Made of precision ground hardened steel for high accuracy With top hole positioning the machined part has high dimensional accuracyCan be used for high-speed turning, suitable for CNC lathe Package includes:1 x center morse taperNote:Please allow 0.5-1cm errors due to manual measurementItem color displayed on photos may be showing slightly different on computer monitor since self-payment monitors are not calibrated1) We accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.