Footprint Guarded Brick Bolster 4.5" x 11.5" - Screwfix
Bolster Chisel - 100 x 220mm - Tool shop
Footprint Heavy-Duty Brick Bolster Tool - 4 Inch/10cm Bricklaying Chisel, Concrete Breaker and Chopper. For Stone Masonry, Bricklayers and DIY Home Improvement. Cuts and Slices Bricks, Removes Mortar. : Buy Online at
Dargan Bolster Chisel 4" with Guard – Tool Source
3" / 75mm Solid Brick Bolster Chisel with Guard Stone Masonry Soft Grip TE385 - Amazon.com