This is a complete coupling made by Koppers, Model B.

• This part is coated with factory preservative, with a couple very small spots of surface rust where the preservative was wiped off during long term storage. These small spots will not affect operation or longevity.
• Size 1 1/2 Full flex
• Shrouded bolt, style with raised lip instead of countersunk screws
• OD of center: 6 inches
• Bore: Approx 1 7/16 inches
• Bore of other side: approx 1 5/8 inches
• Length: 2 13/16 inches
• Labeled Fast's Seperate Hub No 849413.1F 1/16 on one sleeve
• Labeled Fast's Seperate Hub No ??3355.2F 1/16 on the thinner edged sleeve.