[Usage]Stretches masonry line in place while laying a brick or block course [Easy to Use]Can be placed directly into mortar joint or staked into the ground [Feature]The line pin are chrome plated to prevent rust and wear and they are forged into a single piece of hardened steel to prevent bending,cracking and breaking [Large Head]Pointed, shaped blade allows for easy insertion between stones.Large circular head allows for a wide striking [Material]Made of metal materal,ideal for professional and beginners use, Weight: 0.16093745126 pounds, Manufacturer: Zambuph