Features and Benefits: For repair of damaged internal threads on nuts; Chase out damaged threads and remove nicks and burrs without undercutting good threads; 6-pt. shaped for use with socket or wrench, and light oil; Never use to cut new threads; Highly tempered for strength and durability; Gold zinc plated; 2 4; Metric thread chaser; Posted by Shawn on 7th Mar 2024; Ordered as replacement for one I broke. Appears good quality. Shipping costs seemed excessive.; 5; Metric Rethreading Tap; Posted by Dave on 2nd Jul 2023; Exactly what I needed! Shipping was prompt and accurate. thanks Lang!; LANG – Thread Restorers Taps;