- Smooth integrated central locking selection for free swivel, total lock, and directional (steering) lock
 - Precision bearings in swivel section and sealed precision bearings in wheels
 - Durable twin non-marking polyurethane wheel treads
 - High quality synthetic cover over die cast aluminum frame
 - Antistatic option available
 - Caster meets ISO Standard 22882: 2004 Casters & Wheels - Requirements for Casters for Hospital Beds
 
Were you looking for the MedCaster Med-Ultra (MU) Series? Unfortunately, that series is no longer available. However, the Primacy Twin series is an exceptional series replacement!