Ridgid Stainless Steel Tubing Cutters Designed for optimized performance on stainless steel tube. Contoured frame allows for easy alignment while adjusting the cutter to make a . X-CEL Knob allows for easy adjustments and quicker cutting. Six individual bearings in the 15-SI and 35S and 12 in the 65S replace traditional rollers, bearings create a smoother , and allow for increased speed around the tube. Specially designed stainless steel cutter wheel in 35S and 65S contains bearings in the hub, to decrease drag around the tube for a smoother Pack of 1