- Anodized black billet aluminum split collar, likely a coilover spring perch or lower locking collar - Hinged/clam-shell design with single pinch bolt — allows on-car adjustment without full disassembly - Inner bore appears ~50–52mm, consistent with common 46–52mm coilover shock body sizes (BC Racing, Tein, Fortune Auto range) - Machined relief cuts on the clamp ears for weight reduction - No visible brand markings in photo - **Condition:** looks uninstalled/new — no scratches, anodizing intact, no scuff marks from spanner wrench - Ships small/flat-rate. Verify your shock body OD before buying — inner bore measurement critical.