Kapro T-Square Head Add-On for 314 Set & Match System

Kapro T-Square Head Add-On The lightweight, plastic head accessory turns the Kapro Set and Match Ruler into a versatile T-Square with a built-in storage compartment and handy magnetic strip for holding nails and screws. 314 Set and Match System is a complete Do-It-Yourself workshop you can custom build to create your own layout and marking tool. The T-Square head clicks into place on the end of the ruler in 1 of 2 positions the ruler flush with the back of the square head or elevated to placing on a surface edge.