Feature: 1. Including Tools: This manual thread repair kit includes wire thread inserts, tap, drill bit, breaking pin, and insertion tool, suitable for repairing various damaged screws, and easy to operate. 2. Multiple Models: Including various models of threaded inserts, with M12x1.75, M10x1.5, M8x1.25, M6x1.0, M5x0.8 metric specification, 1/2‑13, 7/16‑14, 3/8‑16, 5/16‑18, 1/4‑20 imperial specifications. 3. Durable Inserts: These inserts are glossy and no burrs, which helps to reduce the uneven force and vibration of the threaded teeth, improve the fatigue degree, extend the lifespan of the screw holes. 4. Wide Application: This thread repair kit is suitable for high voltage switch equipment, microwave comm, automotive components, air separation equipment, etc., which is convenient and practical. 5. Metal Materials: These repair tools are made of excellent metal materials, with high hardness, impact resistance, wear resistance, and can be used in various environments with a long service life. Specification: Item Type: Thread Repair Kit Material: High Speed Steel 4241, 304 Stainless Steel, PVC Model: HT51501A-261P Metric Specification: M12x1.75, M10x1.5, M8x1.25, M6x1.0, M5x0.8 Imperial Specification: 1/2-13, 7/16-14, 3/8-16, 5/16-18, 1/4-20 Hardness: HRC58-60°. Package List: 1 Set 1/2UNC Thread Repair Tool (10 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set 7/16UNC Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set 3/8UNC Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set 5/16UNC Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set 1/4UNC Thread Repair Tool (10 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set M12X1.75 Thread Repair Tool (10 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set M10X1.5 Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set M8X1.25 Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set M6X1.0 Thread Repair Tool (10 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool)1 Set M5X0.8 Thread Repair Tool (25 x Inserts, 1 x Tap, 1 x Drill Bit, 1 x Breaking Pin Tool, 1 x Insertion Tool, 1 x L Wrench)10 x Thread Insert Storage Box1 x User Manual1 x Storage Box Note: Determine the diameter and pitch of the original thread and select the repair tool of the corresponding model. Because of the need to remove the insert, there is no need to select a larger thread inset, for example: the original thread diameter of 12MM, pitch of 1.75MM, then choose M12x1.75 repair tool.