Each set comes complete with 1 pair of knobs and all fixings (spindle & screws, allen key and grub screws). These Betley Butterfly Quality Ringed Door Knobs can be found on all types of doors including exterior doors of residential and commercial buildings and internal doors. The sliding mechanism is fitted with a nylon seal to enable smooth movement when turning the Knob and makes the Knob speak quality. The sprung motion moves the Knob back into its original position due to the spring mechanism. This Reeded & Ribbed Queen Anne Style Door Knob is supplied on a 64mm Rose with rings that match the knob for standard doors and requires a tubular latch. These quality door knobs are in Polished Chrome and are beautifully made and hand polished to give every handle a unique shine. They are the perfect finish to new doors or for giving your old doors that new look. Installing these handles is easy as you only need to use 3 screws each side and a grub screw to secure to the spindle. For dimensions - see images.