Features: 1. Simply fix the clamps, run the line and lay your course. 2. Features precise line slots in the external jaw which means brick lines can easily be run around both internal and external corners. 3. This allows for multiple walls to be worked on simultaneously enabling bricklayers and builders to maximise their time. 4. Fits securely over bricks with rubber pads which grip tightly to the brick surface, meaning there is no requirement to maintain perfect tension when setting up the line. 5. Featuring spring loaded jaws which securely clamp over bricks it provides a fast, easy and convenient way for bricklayers to run accurate brick lines and allows for work where alternative options such as corner blocks and line pins can't perform. Specifications: Material: Engineering plastic+Stainless steel spring Package included: 1 x Pair of Brick Liner Runners Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.