KieningerClock springs from Boley for KIENINGER First quality winding springs from Germany for clocks with a barrel. All winding springs have a hole in the end. Products namewidthØthicknesslengthmanufacturePUitem No.clock spring19.0450.351850RWS,RWU,REC (GW+SW)1 piece090804clock spring20.0380.401100J(SW),AEL(GW+SW)1 piece090823clock spring20.0400.401500J(4/4), AEL(4/4)1 piece090824clock spring21.0400.351350J(GW)1 piece090901clock spring24.0450.332000RWS(4/4)1 piece090917clock spring24.0450.352000RWU/REC(4/41 piece090920