720S chain 6.00" Pitch Heat Treated Pin 304 Stainless Steel Cotters Meet ANSI Standards Cottered or Riveted Maximum Working Load: 4,400 lbs Average Ultimate Strength: 50,600 lbs Weight: 5.2 lbs / ft Applications: For use in primary clarifiers, secondary clarifiers, bar screens and grit applications. Attachments Available: F226, F228, A21, A42, A53, AD474, AM116, F2 F3 (sf-4), K2, M1 H-78 chain 2.609" Pitch Heat Treated Pin 304 Stainless Steel Cotters Meet ANSI Standards Cottered or Riveted Maximum Working Load: 2,860 lbs Average Ultimate Strength: 33,000 lbs Weight: 4.2 lbs / ft Applications: For use as a drive chain in wastewater treatment applications. Many other sizes available