Quick, adjustable thread restorer with 55° - 60° angle blade for cuts up to M45. Adjustable cuts: M4 - M45 (capacity: 5/32" to 1 3/4" / 4 - 45mm).Angled blades manufactured from HSS steel to 55-60 hardness (HSS blade, HRc62 (+/-2)). Zinc body, chrome plated. Repair kit available, please see Laser Part No. 60778.