The DW BIS Strut Support System, listed under Inst Systems FUS, provides a modular strut and DS5 configuration in 41 × 41 mm and 41 × 51 mm dimensions. Example offerings include the BIS Yeti 335 and BIS Yeti 480, each pairing a 41 × 41 mm strut with a 41 × 51 mm DS5 component. This category supplies the standardized strut‑support elements needed for consistent system integration.