What is largely required in cutting copper and stainless steel tubes Most importantly the cutting wheel must rotate straight to complete cutting. The cutter must also rotate around the pipe smoothly. For this reason, MCC installed 6 (six) individually sealed stainless steel ball bearings on the frame and 1 (one) needle bearing in the cutting wheel.Features:Ball Bearing Installed. Compared to many ordinary cutters on the market that have plastic or steel rollers on its frame. These bearings substantially improve not only the smoothness of your cuts, but also the straightness of your cuts. It will always provide you an accurate and effortless cut.Compact Design. Tubing Cutters rotate around the pipe while operating. The bigger the cutters are, the more motion that is required for its operation, which ends up creating substantial amounts of stress on your hands. Taking a quick telescopic action feature from the cutters and focusing it on the simple components for the compact design is what has done for these cutters to provide the best quality in today's market.Ergonomically Designed Knob. The knob is the part that you will apply your motion. It is the part you touch and operate. To make you feel comfortable in operating Tubing Cutters for extended periods of time, we have specially designed an ergonomic knob, which will comfortably fit in the palm of your hands and let you grip firmly.Heavy Duty Cutting Wheel with a Needle Bearing Installed. The cutting wheel is designed to cut not only copper tubing, but also stainless steel tubing. The heavy-duty cutting wheel is conveniently designed and does not require you to change out the cutting wheel or cutters if you are working with different types of tubing. The cutting edge is uniquely designed and made of Japanese special high carbon alloy steel that has gone through a careful heat treatment to keep its sharpness and durability.Tubing Cutters are designed specifically to make clean rotational cuts; weather you are cutting Copper Tubing or Stainless Steel Tubing.Well-designed components provide longer lasting sustainability making the cutter highly economical.Compact and lightweight design increases your productivity.