4-Position Swivel Locks are a great solution to easily convert a Swivel Caster to a Rigid Caster for straight-line tracking when rolling your cart or equipment long distances. A spring-loaded, hand-operated ring allows the user to pull/engage and disengage a steel bolt that locks into the swivel raceway preventing it from rotating 360° degrees which convert a swivel caster to a rigid caster when needed. Then, easily pull out and twist the ring again to disengage and turn your caster back to a swivel version.
Swivel locks are commonly known as 4-position swivel locks as most swivel casters contain 4 notches in the raceway which allows the bolt in the swivel lock extra contact points to engage and lock the swivel even faster when you need to convert your caster into a rigid version.
Swivel Locks are the best piece of caster hardware one could possibly use as it allows you to have multiple caster configurations based on your application. If you are rolling long distances, you will want to engage two swivel locks to allow you to roll in a straight line much easier. If you are in a small garage or workshop or simply don't have enough room to maneuver, easily convert your casters back into all swivel so you can easily maneuver in tight spaces.
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