From Craigslist ad:

These are a pair of size 10, Bullet, Mens roller skates, purchased for boyfriend New at 65.00. He wore them once and decided he did not like skating :)

Description:
Chicago Bullet Speed Skate features:
Low Cut Speed Boot with Padded Ankle Collar
Lightweight Chassis with Aluminum Double Action Truck
Wide Trac Cast Urethane Speed Wheels with ABEC 1 Speed Bearings
Laces and Power Strap.