Replacement Key for Meridian M046 Verify that your lock code and manufacturer match the product title; works with the manufacturers listed below. Custom Cut Key Compatible with the following manufacturers: ESP; Herman Miller Replacement Key with code M046 for Meridian Key Series M001 - M165. Compatible with Manufacturers: ESP, Herman Miller! Compatible with Manufacturers & Product Specifications: ESP / MERIDIAN / HERMAN MILLER. Key cut on Y103-PLN key blank.