BJ 070 Skid This is a versatile system with interchangeable plastic skids that bolt on to collars and change out easily. The skid works well through elbows and can handle up to 12” diameter pipes effectively. This skid accepts all BJV nozzles and is shown in the upper right photo. Ask about additional skid sizes when ordering. | BJ 070 Plastic Skid Style | | Available in 6", 8", 10" & 12" Interchangeable Skid Sizes (152 mm, 203 mm, 254 mm, & 305 mm) | |  |