The professional 7 inch speed square is a triangular-shaped, carpenters' layout out tool which combines some of the most common functions. It is used to make basic measurements and mark lines on dimensional lumber and may be used as a saw guide for making short 45 and 90 degree cuts. This square features imperial markings in inches on one side and metric markings in centimeters on the other side. This is a must have tool for framing and rafter projects.

Features:

• Slider can be locked to specific measurement or line position for quick measurments 
• Have the characteristics of frame angle, triangle, miter angle and protractor angle
• Can also be used as a scriber and saw blade guide
• The surface is matt, can prevent glare, and is corrosion-resistant
• Combines metric and imperial rulers in one square

Specifications:

• Brand: Harden
• Model: 580757
• Made of cast aluminum
• Thickness: 0.2in or 4.5mm
• Light grey matt finish
• Punched scale with numbers
• Black painted scale and numbers
• Ruler length: 7in or 16.8cm
• Weight: 8.4oz or 237g

Package includes:

• 7inch multi-purpose triangle speed square
• Retail packaging