Bloc_Loc 4.5" Half Square Triangle Square Up Ruler

• Solid markings throughout every 1/2"
• Bloc_Loc patent pending channel technology locks in your seam for perfect trimming
• Square up a half square triangle block in less than half the time
• Accurate each and every time
• No more "ruler rock"

Please note that the blue dot indicates a hanging hole.

Instructional Video by Bloc_Loc: