+ Tool to adjust and use the spring pins is. + 4 spare spring pins are + Inside and outside are different, some highly polished (outside), on the inside, these parts Matt. You could probably turn wenns a different like better. - Packaging although does not stink but is awkward to remove (several layers of cling film which naturally entangled in the strap). - It sits on my wrist but men very tightly - The "Security" closure affects not very "safe" ....