Pro-Lift C-9300 mechanics stool with wheels features the seat with a concave shape to keep you in place as you work and maneuver. A square steel frame and durable plastic body and 300 lbs. capacity, makes this the ideal creeper seat for carrying your tools from job to job. The 4 in. rubber-coated wheels with the ball bearing swivel, providing you with effortless maneuverability in all directions. The large wheelbase and 18 in. x 10 in. bench reduce the chance of tipping over. 4 casters are 360° swivel motion so they can completely rotate in any direction while working, making work routine take less time. in addition, You can lock 2 of the casters, with no noise affecting your work, handy when you're working anywhere.