{"product_id":"master-lock-m3721-padlock-replacement-key","title":"Master Lock M3721 Padlock Replacement Key","description":"Padlock Replacement Key with code M3721 for Master Lock Key Series M2001 - M5000. Compatible with Manufacturers: Master Lock!  Compatible with Manufacturers \u0026amp; Product Specifications: PADLOCKS ONLY \u0026gt; MASTER #3 (FRAMON\/PLUNGE CUT) | MUST BE LOCK CODE FROM KEY OR ORIGINAL PACKAGING, NOT THE PADLOCK. Key cut on K1-OEM key blank.","brand":"Master Lock","offers":[{"title":"M3721","offer_id":45796681613558,"sku":"M3721-masterlock-key-718786","price":8.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/1908\/2146\/files\/master_lock_M2001-M5000_cut_key_small_48555c01-97fe-4d37-9989-22945c239522.png?v=1780459174","url":"https:\/\/quickshipkeys.com\/products\/master-lock-m3721-padlock-replacement-key","provider":"QuickShipKeys.com","version":"1.0","type":"link"}