High Density Foam Cushions: Ideal hardness for optimum support

Collar: A Reversible StopLock allows you to LOCK the cushion or allow it to SPIN depending on your preference.

Sure Struts: Double braced struts on the Trident Design Tripod offer the ultimate in structural integrity to prevent lateral wobble and the inherent squeaks that may result from it

Large Rubber Feet: Provides improved stability and plenty of “tred” for long life