RING LOCK Special Surgical scissors with ring lock system, consisting of two bearings and a Teflon ring which ensures a smoother and precise cut as well a longer duration of the cutting edge. Curved tips. Ring Lock System® consists in 2 bearings (one in stainless steel and one in aluminum) and a Teflon’s ring: all 3 parts are assembled together under pressure. Thanks to this system, the blades are moving on a circumference that is 60% larger than a traditional scissor. This is the key for a smoother and more precise cut, allowing a longer duration of the cutting edge. The internal Teflon ring is auto lubricant and a not deformable material (used in the autoclave).