These pins have a very solid feel to them, and smooth spring action. My watch is listed to have 22mm spacing, so I bought the corresponding size pins, but the fit was very tight (pins had to be compressed to their absolute limit to fit, and are practically fully compressed now). I am guessing that my watch specs are listed wrong because others have not had this problem.

Bottom line: Great product. Be sure to double check your watch lug spacing (and measure it).