Padlock Replacement Key for Master Lock 16G671 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: Master Lock Padlock Replacement Key with code 16G671 for Master Lock Key Series 16G000 - 16G999. Compatible with Manufacturers: Master Lock! Compatible with Manufacturers & Product Specifications: PADLOCKS ONLY > MASTER PRO SERIES PADLOCK (CODES ONLINE). Key cut on 1092-6000B-M25 key blank.