Tool equipped with an attachment solution FACOM SLS that eliminates any risk of incidental dropping. The "turning" seamed cable solution chosen and tested by FACOM ensures that the tool maintains its user ergonomics. Mechanic's chisels. Hardness: - Cutting surface = 57 - 60 HRc. - Head = 36 - 44 HRc. Angle of cutting edge: 60°.