Technical Requirements: 1. UNFILLED DIMENSIONS IN 3 D, unfilled chamfer 0.5 * 45 ° , unfilled fillet R 0.22. Surface polishing, chrome plating 3. Edge to Burr, sharp corners can not have a shave feel. 4. With P2600418-CP (new modern single-hole basin faucet handle) the same size, but this product increased marking and screen printing