The B&B Folding Leg Pipe Jack features acme adjustment, anti-slip washer t-handle lock, 14 gage legs and consistent robotic welding. All B&B pipe jacks are 100% powder coated or zinc plated. The 1/4 square tube legs and braces offer increased durability. The increased width in the stance provides better stability. Includes Pipe Jack with roller head and stainless steel wheels.