All of our sumitomo heavy plant and equipment keys are cut using High tech computer controlled cutting machines onto the highest quality JMA or Silca branded keys, ensuring the sumitomo keys you buy from us are the best quality possible to ensure trouble free fitment and outstanding durability, We supply every type of sumitomo key used in the UK market today, to ensure we offer you the best service possible all of our sumitomo keys are in stock and will be shipped out within 24hrs of receipt of order by royal mail