The Wickes Steel Combination square 12inch/300mm is a sliding combination square with metric and imperial calibration with a scriber on the ruler and a built-in level bubble for approximate marking you can mark at 90°and 45°.

Light Duty Chalk Line Set. This set comes with the chalk line featuring a manual wind up mechanism and easy fill bottle with 120g of blue re-fill chalk.

A useful tool which has an adjustable gauge for setting and transferring angles.