BOTH SETS SOLD - Selling TWO sets of Dunlop Straplok strap retainers. These are the newer Dual Design which allow use with or without the locking mechanisms on your strap. Even without using the lock, they are an improvement over most factory standard buttons. One set is NICKEL (# SLS1031N), brand new, unused in original packing - $15 shipped. Set 2 is BLACK (# SLS1033BK), very slightly used, almost new - $12 shipped. PayPal welcome.