Expandable Lanyards Expandable Lanyards Expandable Shock Absorber Twin Lanyards(Ref. PN 371) Expandable Shock Absorber Twin Lanyards(Ref. PN 371 (A)) Expandable Internal Shock Absorber Twin Lanyards(Ref. PN 371 (IS)) Expandable Internal Shock Absorber Twin Lanyards(Ref. PN 371 (IS) (A))