720 Stainless Steel Chain 6.00"Pitch or 403 Grade Stainless Steel Material Maximum Working Load: 3,300 lbs Average Ultimate Strength: 33,000 lbs Weight: 3.9 lbs / ft Hardened Pins and Bushings Applications: For use in primary clarifiers, secondary clarifiers, bar screens and grit applications. Attachments Available: F226, F228, D22, K2, A2, A42, AD474, AM116 715 Stainless Steel Chain 5.844" Pitch 403 Grade Stainless Steel Material 19,000 Ultimate Strength 2.2 lbs Per Foot Hardened Pins and Bushings Runs on standard 720S style Sprockets Attachments Available: F226, F228 78 Stainless Steel Chain 2.609" Pitch 403 Grade Stainless Steel Material - Hardened 304 Stainless Steel Cotters Maximum Working Load: 3,300 lbs Average Ultimate Strength: 24,000 lbs Weight: 3.9 lbs / ft Applications: For use as a drive chain in wastewater treatment applications.