KMC Chain Z8.3 or Z72 1/2" x 3/32" 116 links 7.1mm 6, 7, or 8 Speed.  Comes with a reinforced connecting pin.

Z72 is 1/2" pitch x 3/32" width chain.  Compatibllity: SHAMANO 8 speed.

Be sure and order some extra master - connecting links.

KMC Missing Link Connecting Link II 7.1 mm for 7 & 8 speed Freewheels

6 Card Connecting Link II 7.1 mm for 7 & 8 speed Freewheels KMC Missing Link