Timberline Betts Tools, 3370 8010, Bevel Edge Wood Chisels, 8 Piece set, In Display Case, Free Oil Stone, The bevel edge chisel sets are made of high carbon tool-steel and treated with black-oxide to prevent rust. Each chisel tip is hardened, tempered, ground and honed to a precision finish. Handles are made of high impact, polypropylene plastic. Overall length: 8", high impact resistant polypropylene handles, hardened tempered and chemically blacked tool steel blades, ground and honed blades with protective edge guards, Sizes: 1/8" (3mm), 1/4" (6mm), 3/8" (10mm), 1/2" (13mm), 5/8" (16mm), 3/4" (19mm), 7/8" (22mm), 1" (25mm), Made in Sheffield England.