The Production Basics 8297 is an adjustable C-Leg w/ casters for 30"D worksurface. This durable workstation leg features a rugged 14-gauge steel design for maximum support and clearance beneath the worksurface. C-Leg is used for Stand Alone units that are mobile. Each leg is adjustable from 30" to 36", including height for 4" diameter thermoplastic rubber tread swivel/locking casters. Standard color is Blue. Other colors available are Grey, Almond, Black, and White.