Mason Line Block (or Brick Line Holder/Corner Block). 🔧 What it is: It’s a small clamp-like device used by masons during brickwork. It holds a mason’s string line tightly in place on a column, corner, or wall edge. The string line acts as a guide to keep the brickwork straight, level, and in line from one end to the other. ✅ Benefits: 1. Perfect Alignment Ensures that every course (layer) of bricks is laid straight and true, avoiding wavy or misaligned walls. 2. Time Saving Faster than manually

New Microsoft Planner – Microsoft Adoption