The Sealey VS660 is a professional drain plug thread repair set designed to restore damaged threads in sumps, gearboxes and differentials. This essential workshop tool allows mechanics and technicians to salvage components that would otherwise require expensive replacement, making it a cost-effective solution for common thread damage issues. The set includes precision taps in four popular metric sizes: M13 x 1.5, M15 x 1.5, M17 x 1.5, and M20 x 1.5mm, covering the most frequently encountered drain plug specifications on cars and light commercial vehicles. Each repair is completed by tapping the damaged thread slightly oversize, then fitting one of the new drain plugs and washers supplied with the kit. Ideal for independent garages, mobile mechanics and fleet maintenance workshops, this thread repair set eliminates the need for costly component replacement when drain plug threads become stripped or cross-threaded during routine servicing. The complete kit is supplied in a sturdy storage