FORCE3 Brick - Optimized for abrasive materials, this chain has larger diamond segments for longer life. It is the best chain for cutting brick, block or abrasive stone.. FORCE3 Series Diamond Chains - All FORCE3 Diamond Chains contain patented SealPRO anti-stretch technology which reduces wear and extends chain life by sealing out the abrasive slurry that leads to chain stretch. Designed to be used with the full line of ICS gas power cutters, these chains offer the ultimate combination of both versatility and affordability.