Stanley fatmax concrete chisel 19 x 300mm 3 4in with guard stanley 4 18 329 a concrete chisel forged from chrome vanadium steel for increased strength and durability blade holds its edge longer and therefore needs less sharpening less grinding equals longer life hardened quenched and tempered to precise specifications for added safety modified parabolic striking end for greater resistance to mushrooming and chipping li bi material handguard for increased comfort and protection from ov