Science Purchase 8 Piece Wood Chisel Woodworking Lathe Hand Tool Set One skew chisel that measures approximately 1" (25 mm) wide, the blade length measures approximately 4 7/8" (123.6 mm) and the handle length measures approximately 9 1/8" (231.6 mm) One skew chisel that measures approximately 1/2" (13 mm) wide, the blade length measures approximately 4 7/8" (123.6 mm) and the handle length measures approximately 9" (228.6 mm) One spear point chisel that measures approximately 1/2" (13 mm) wide, the blade length measures approximately 4 13/16" (122.6 mm) and the handle length measures approximately 9" (228.6 mm) One parting tool that measures approximately 1/8" (3 mm) wide, the blade length measures approximately 4 7/8" (123.6 mm) and the handle length measures approximately 9 1/8" (231.6 mm) One round nose chisel that measures approximately 1/2" (13 mm) wide, the blade length measures approximately 4 1/2" (114.3 mm) and the handle length measures approximately 9 1/8" (231.6 mm)