4 x Locking Wheel Bolts. M14x1.25x28mm 60° Taper Seat. This listing is for a set of 4 x Locking Wheel Bolts.60° Taper seat suitable for Original & Aftermarket Alloys. 10.9 Grade Carbon Steel. Plated to ensure a quality finish which endures. Bolt Dimensions: Thread length 28mm, shaft diameter 14mm, and thread pitch M14x1.25. Security socket provided with 17 & 19 mm dual hex head. Note- This product is designed to be used with Alloy Wheels Only, not steel wheels. The key provided will only work with this set and not on existing locking bolts.