Length: 100mm
Tip/Bits Hex Size: 2.5mm (ball)
Tip/Bits Diameter: 3mm
Tip/Bits Material: Hardened steel with TiN coating
Suitable for:
M3 hex screws with allen head (cylindrical)
M4 hex screws with countersunk head
M4 hex screws with button head
Note that a ball head hex/allen tool tip always wear faster that a straight hex. They are also more easy to brake when dropping them on the floor or using too much force while tightening/losening a screw.