6Pcs Tapered Spindle Adapter Safe Secure Sturdy Steel Durable Stable Threaded Tapered Spindle for Bench Grinder Item Type: Tapered Spindle Adapter Material: Steel Purpose: Tapered Spindle Adapter Colour: Black Two Tip Shaft Length: Approx. 87.5mm/3.44in Width of the Two Tip Shaft: Approx. 15.3mm/0.60in The Inner Diameter of the Two Tip Shaft: Approx. 8mm/0.31in The Length of the Threaded Part of the Two Tip Shaft: Approx. 55mm/2.2in