Reference: Screwdrivers SET
Materials: Beryllium copper Cu-Be
Available in: Set 6 slotted screwdrivers philips
Hardness: 283-365 Brinell.
Optional: Set 8 screwdriv egaers slotted, philips, pozidriv
Protection: Tools made of Cu-Be alloy can be used in all groups (I, IIA, IIB, IIC) in a safe way, with the only exception of acetylene, with which copper might react and create highly explosive acetylite gases.