Function: The brick line runner has a spring-loaded clip that firmly clamps to bricks, providing masons with a quick and accurate method for running brick lines, improving efficiency and saving time. Easy to Use: The brick line runner features precise line slots in the external jaw, allowing brick lines to be easily run around both internal and external corners. The rubber pad on the clamp helps securely grip the brick surface. Wide Applications: This tool can be used on most smooth or raked bricks and blocks, helping to create uniform and straight brick lines. Suitable for bricklaying, wall construction, woodworking, and similar applications. Durable Material: Constructed from quality PPR plastic and a metal spring, this brick line clamp is durable and built to withstand demanding job site conditions. Package Includes: 2 brick line runners. Each measures 16.5 cm in length and 6.5 cm in width. The top brick clip is 6.5 cm long and fits bricks ranging from 95 to 125 mm in thickness.