Guardian M38 Coupling Set of Two Hubs ( 1-1/2" 5/8" Bore ) Sleeve You are getting 3 items: Hub# 1 - with bore of 1-1/2" Hub# 2 - with bore of 5/8" Coupling Sleeve Some shelf wear as we let this machine sit some time in a busy warehouse before dismantling it. Part was installed but is unused and missing packaging. They were installed on a web lamination unwind module that was never put into service. The machines were still new in crates when we purchased them. We are in the process of parting them out and will be listing the different systems and parts from them. This part came off the machine shown in pictures - part of the motor drive for the large front roller.