Features:

• Manufactured from quality Cr-Mo steel, rough and fine teeth designed, long service life
• Reverse thread design- used to remove damaged screws, bolts, etc
• Edge blackened treatment – increase the thickness and more anti-rust resistance
• Manufactured of thicker material- high thickness, high hardness, durable. use with the drift holder
• Square head easy to twist
• Recommended for simple,low cost removal of broken screws

Specifications:

• Length: 52-81.6mm
• Height1: 3.3-8.7mm
• Height2: 3.9-10.8mm