The Standard Marine Boarding Shields are all left-handed
They are sold unpainted but
You can do this by cutting off part of an existing Terminator arm above the elbow and gluing it into place—it's easy
These original kits had both the left and right shoulder pads as two pieces
10x Deathwatch - Chapter Origin Set:49 Material:TufFlex MJP The Standard Marine Boarding ShieldsThis set contains the following origin chapters: Carcharadons, Crimson Fists, Death Spectres, Doom Eagles, Executioners, Exorcists, Fire Lords, Invaders, Marines Errant and Night Watch Sold unpainted, each pauldron has a custom designed, raised emblem and detail on them that makes painting easy and ensures a consistent, uniform appearance to your entire army. These should fit both the new and classic 28mm scale, space marine or chaos marine models.*