Feature: 1. WIDE COMPATIBILITY: Safety wire drill jig set is compatible with bolts sized approximately 6mm x 1.0mm, 8mm x 1.0mm, 8mm x 1.25mm, 10mm x 1.25mm, 10mm x 1.5mm, and 12mm x 1.5mm, meet all your safety wire drilling needs. 2. HIGH STRENGTH MATERIALS: Constructed from high performance carbon steel, the nut bolt drill jig kit ensures stable use. Its robust materials increase durability and functionality, ensuring that it can withstand tough working conditions. 3. SAFE DRILLING: This safety wire nut set allows for quick and accurate lateral drilling of bolts and nuts before safety wire locking, effectively eliminating the risk of drill bit slippage and subsequent damage. 4. EFFICIENT WORKING TOOL: The nut and bolt drilling fixture significantly reduces the chances of drill bits breaking during maintenance. Enhance your work efficiency with this practical tool, designed to streamline your drilling tasks. 5. ENHANCED WORKSHOP PRODUCTIVITY: With its user friendly design and precise engineering, the wire lock drill set improves productivity in the workshop, help you complete your projects with accuracy and ease. Specification: Item Type: Wire Lock Nut and Bolt Drill Jig Material: Carbon steel Color: Silver Application: Used with 3.5mm drill bit Application: Used for 6mm x 1.0mm 8mm x 1.0mm 8mm x 1.25mm 10mm x 1.25mm 10mm x 1.5mm 12mm x 1.5mm bolt. Package List: 2 x Drill Fixture 1 x Instruction Manual 1 x Plastic Box