A Speed Square, also a rafter or triangle square, covers many uses. Understand how to use a Speed Square and how it can be used in various home improvement DIY projects. Here are a few of those ...

Speed squares are a helpful saw guide for cutting 45- and 90-degree angles. The plastic squares are thicker than most metal ...

Using a tape measure and speed square, measure and cut the sides (A), ends (B), bottom (C), and lid (D) of the cable ...