Univen Brand Hair Clipper Cover Plate Screws Includes 2 Screws Works with Oster Classic 76 Clippers Replaces Oster Part Number 41664 Overall Length of Screw is 3/8" (9.5mm) Univen clipper cover plate screws fits Oster Classic 76 clippers. Includes 2 screws, 2 screws required per clipper. Replaces Oster part number 41664. Overall length of this Philips head screw is 3/8" (9.5mm).