Complete Solution: Unified kits include taps/drivers/inserts for full repair workflow kit handles coarse/fine threads (1.25-1.75mm pitch) Industrial-Grade Inserts: 304 stainless steel coils withstand 900°C / 40HRC -profile coils create gas-tight seals Engineering: Hardened HSS taps reform damaged threads without material removal Spring-loaded mandrels auto-eject after insert installation Technical : Hign-concerned Chemical: None Professional Thread Repair Kit - M10 Helical Insert Installation Tools Core Specifications Repair Sizes: M10 Key Components: → Helical wire inserts (Stainless steel) → Installation mandrels → Threading tools + Debris extractors Color: Red Material: Carbon Steel Package Contents: 1*Thread Repair Tool Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.