Concave or Convex Radius Turning Attachment is manufactured by Micro Engineering Works. Micro Engineering Works is an ISO 9001:2000 certified company that offers Precision Drilling Machines, Tapping Machines, related parts and accessories. In Concave or Convex Radius Turning Attachment, the Screw of the slide from which produce a cut goes forward and backward with a least count of 0.1 mm and full circle 1 mm for MR-50 and full circle of 1.75mm for MR-150. The repeatability/ sphericity of the circle are 20 microns. The Concave or Convex Radius Turning Attachment is featured with graded casting, hardened and ground counter shaft and engaged with worm and worm wheel of phosphorous bronze. It has a rapid motion as well as linear motion to the tool