High carbon steel plate 1.5mm thick. Ground, leading edges for efficient cutting. Reversible for longer cutting life. Re-sharpenable chisel-tooth blade. Suitable for cutting and clearing grass, scrub and brush.. High carbon steel plate 1.5mm thick. Ground, leading edges for efficient cutting. Reversible for longer cutting life. Re-sharpenable chisel-tooth blade. Suitable for cutting and clearing grass, scrub and brush..