Upgrade your workout with Olympic Adapter Sleeves - designed to convert any 1" standard barbell post into a 2" Olympic-sized post. Sold as a pair and made from durable nylon for a secure grip, each sleeve measures 9" long and 1.9" in diameter, weighing 0.5 lb. Featuring a hex lock bolt for a snug, slip-free fit, they are easy to install - just slide on and tighten.