StageQ Locking Rolling Staging 10" Height Stage Legs with 4" Rubber Steel Casters Set of 4

ProX XSQ-10W StageQ™ Brake Locking Staging 10 Height Stage Legs with 5 Rubber Casters | Set of 4 are Industrial Grade Stage Deck Legs with two braking casters give you simple mobility and maneuverability when moving stages assembled or platforms that included DJ Booths, Musical Equipment on a riser, audio consoles, and more. These legs also provide extreme stability when attached to each platform.

Ideal for the use with ProX StageQ™ and Stage One Staging Platforms for fast and easy setup. Each kit includes (2) Locking Stage casters and (2) Non-Locking Casters – Installation is very simple and can be done by a single person, No Tools are necessary.  ...
https://www.proxdirect.com/products/view/2198