GreatNeck 10221 8x12 Inch Steel Square B4Mayes 12" Utility Square High grade steel Polished & clear plasticoat finish Permanently impressed gradations in 8ths & 16ths on one side, 8ths & 12ths on reverseGreatNeck 10221 8x12 Inch Steel Square B4 Features:; High grade steel; Face graduated in 8ths and 12ths; Polished and lacquered permanently impressed graduations; Back graduated in 8ths and 16ths; 12" x 1-1/2" body length