M3CS55 – Coupler set, shug 5.5", M3CS55A – Coupler set, shug 5.5" – Anodized, M3CSX55 – Coupler set, shug 5.5" – CAST, M3CSX55A – Coupler set, shug 5.5" – CAST, anodized, M3CSX55HD – Coupler set, shug 5.5" – CAST, HD segments, M3CSX55HDA – Coupler set, shug 5.5" – CAST, HD segments, anodized, M3CSX55S – Coupler set, shug 5.5" – CAST, SHDS clamp, M3CSX55SA – Coupler set, shug 5.5" – CAST, SHDS clamp, anodized, M3CSX55HDS – Coupler set, shug 5.5" – CAST, SHDS clamp, HD segments, M3CSX55HDSA – Coupler set, shug 5.5" – CAST, SHDS clamp, HD segments, anodized, M3CS55HD – Coupler set, shug 5.5" – HD segments, M3CS55HDA – Coupler set, shug 5.5" – HD segments, anodized, M3CS55S – Coupler set, shug 5.5" – SHDS clamp, M3CS55SA – Coupler set, shug 5.5" – SHDS clamp, anodized, M3CS55HDS – Coupler set, shug 5.5" – SHDS clamp, HD segments, M3CS55HDSA – Coupler set, shug 5.5" – SHDS clamp, HD segments, anodized