The Avid Steel Deep Hex Engine Screws are 10mm long and have deep 2.5mm hexes to help keep your screws from stripping when using a ball end. 

Features

• Made from 12.9 steel just like your kit screws.
• M3x10mm with deep 2.5mm sockets to give more area for your wrench to grab, especially if needing to use a ball end.
• Includes: (10) steel engine screws.