Sealey AK314 Adjustable Thread Restorer M4-M45 Twin HSS blades for quick and easy restoration of damaged threads. Covers all Metric threads from M4 to M45 with a simple knurled adjuster. AK314 Features Twin HSS blades for quick and easy restoration of damaged threads Covers all Metric threads from M4 to M45 with a simple knurled adjuster AK314 Specification Model No AK314 Brand: Sealey Cutting Range: M4-M45 Nett Weight: 0.30kg What is included: 1 x Sealey AK314 Adjustable Thread Restorer M4-M45