6 Pairs Spear & Jackson Bricklayers Line Corner Block Rubber Brick Green

Pack of 12 (6 Pairs) large Spear and Jackson rubber corner blocks enables bricks and blocks to be laid straight
New improved design with rubber surface and grooves to prevent slippage
High visibility green makes them easy to find
Lightweight and robust construction
Easy to use and can be used single handed
Fitted with integral line tidy
Blocks are angled at 87.5 degrees so that when under tension they square up into the corner of the brick for better grip and more stable line