RST RTR104A Tuck Pointer With Wooden Handle 3/8\" The RST RTR104A tuck pointer is typically used for removing cracked mortar from brick joints and applying new mortar to the masonry joints. It is extremely durable thanks to its high carbon steel blade which has been hardened and tempered for strength. Features: Carbon steel blade Wooden handle and metal tang Used to form joints between bricks to make them weatherproof and improve the appearance Specification: Size: 3/8\" / 10mm