These are NEW 4.6″ / 115mm Telescope Cradle rings, hinged on one side with locking snap latch on the other side.  Aluminum, powder coated matte black, with felt lining.  Mounts with single M6 screw with threaded hole on the bottom, also with 1/4-20 threaded accessory mounting hole in the top.  Comes with M6 mounting bolts and 1/4-20 accessory screws
Each ring weighs 0.62 lbs, ring width is about 25mm, thickness is about 8mm.  Will NOT fit anything larger than 125mm diameter tubes, can be padded with thicker felt for slightly smaller size scope tubes.
Price is for a set of two rings and includes USPS Priority mail shipping to USA addresses.