Easy to use. The brick lining clamps feature an exact line slot located in the outer jaw, allowing the brick wire to run smoothly around both inner and outer corners for quick, accurate setup. High practicality and durability. Designed to maintain strong performance over long periods, this leveling tool stays reliable project after project. Auxiliary tool with spring-loaded clip. The brick liner includes a spring-loaded clip to securely clamp the brick, giving bricklayers a fast way to draw precise brick lines. Simple application with rubber pad. Place a solid rubber pad on the brick; the pad grips firmly to the brick surface and does not require perfect tension during installation. Use scenarios: - Laying new brick walls to maintain straight, level courses from start to finish. - Tracing lines around interior and exterior corners or arches for consistent joints. - Quick marking of brick lines before mortar application to speed up subsequent work.