Description Stainless steel Linkage Ball-A hardware bag for ALIGN T‑REX helicopters. These rigid, wear‑resistant ball links and M2 nuts provide durable, precise linkage connections for tail and cyclic assemblies. Suitable for a wide range of 500–600 class models and compatible control horn and tail pitch units. Specifications: Compatibility: T-REX 500PRO, 500E, 500L, 500X, 500XT, 550, 550X, 600, 600N, 600XN, 650X series (also applicable to some 450/500/600 nitro models) Material: stainless steel (rigid, wear resistant) Linkage Ball A: M2 × 3.5 × 9 pieces (4.75 × 8.18 mm) M2 nut: × 9 Installs on: 600XN engine servo horn; 500/550/600/650 tail servo horn; 600 tail control arm (H60T004XX); 500XT tail torque tube unit (H50T017XX); 500X tail belt unit (H50T005XX)
