#80 roller chain with sk1 attachment link every 2nd pitch. 60dr x 10ft dacromet plated roller chain. Wh82 x 10ft welded steel chain. #140 2c double strand cottered roller chain rc140 2c.
#40 roller chain with sa1 attachment link every 2nd pitch. A2050 x 50ft extended pitch roller chain. O ring connecting link 80 1or (master link). #50 a 1 stainless steel attachment connecting link.