The Irwin Marples chisels are available individually in different sizes. They have splitproof handles which means they can be used with a hammer. The blades have been lacquered and hardened for rust protection and longer lifetime. The blade is a solid single piece giving it structural strength. Available in different sizes. Splitproof handle - can be used with a hammer. Rust protected due to lacquer on the blade. Long working life hardened blade. Ready to use - Sharp. Forged one piece of metal blade.