The new Schaller S-Locks in satin pearl finished. In 2018, Schaller will pave the way for the next generation of revolutionary strap locks. The new S-Locks, S for save, S for silent and S for Schaller strap locks! These new revolutionary S-Locks are silent. They feature an elegant Lock-Wheel, one-piece hardened steel strap buttons, aesthetic design, perfect handling and all former hiccups have been tackled! New and unique solid one-piece strap button in hardened steel with self-tapping wood thread. Simply screw it on with an Allen key (size 3 mm). The lock has extended thread length for holding straps of up to 6 mm thickness, new designed slanted locking bolt in stainless steel for permanent precision, reliable performance and wear-free finish, new designed pull-up ball for easy-grip lock and release.