4 X PAIRS OF SPEAR & JACKSON RUBBER CORNER LINE BLOCKS SJ RLB OY ORANGE & YELLOW
4 X PAIRS OF SPEAR AND JACKSON RUBBER CORNER BLOCKS (ORANGE AND YELLOW 2 PAIRS EACH). AB, BT, HS, FK, GY, IM, IV, J, KA, KW, PA, PH, TR, ZE. For use with bricklayer’s lines to ensure that brick and blocks are laid out in a straight line.