This item for auction is a new old stock 16 size Hamilton 992B clutch lever spring.  It will also work on another grades like 950B & 4992B.   It is new from a long retired watch repairman's estate.  Selling in AS-IS condition as described above.  Buyer to pay $3.00 first class mail US, out of country $11.00 first class air mail.  We accept ebay approved methods of payment US, out of country paypal only.  Please try to complete this transaction within 3 days of auction end.   Ham-16