You are purchasing 20 pieces of Masons Line Blocks or Corner Blocks. These are the 4 size.
Masonry Line Blocks (20pcs) for Bricklayers, Blocklayers, Masons
Brick Line Blocks [12 Pack] for Bricklaying Straight
Marshalltown 1.25-in x 4-in Line Block in the Lining Tools
Line Pins, Blocks, twigs etc. – The Masonry Store
Masonry Line Blocks (20pcs) for Bricklayers, Blocklayers, Masons
2 orange Brick corner blocks in the shape of a willy. box of 5 (10 line blocks). all box sets of line blocks are all orange (atm).
BRICK LINE BLOCKS LINE BLOCKS BRICKLAYING BLOCKS PROFILE CLIPS
Masonry Line Blocks (20pcs) for Bricklayers, Blocklayers, Masons
Купить Блоки для каменной кладки (20 шт.) для каменщиков
Line Pins, Blocks, twigs etc. – The Masonry Store
TLS 2013 Guide to Conflict Displacement
Kraft Tool BL242 Oversize Line Block - 4-1/2 Each
Lightweight, high visibility rubber line block.
Brick Line Corner Block
Silverline Bricklayers Brick Line 18m and Corner Blocks 126894
4 x Pairs of Spear & Jackson Bricklayer's Line Corner Block Rubber