The Makita 191H03-4 is a genuine replacement chainsaw chain designed specifically for the Makita DUC405 40cm cordless chainsaw, ensuring a precise, manufacturer-approved fit every time. Keeping a spare chain on hand is essential for any professional arborist, groundsworker, or contractor who relies on their chainsaw day in, day out. Whether you’re felling, limbing, or cutting firewood, a fresh chain restores cutting performance and maintains the efficiency of your DUC405. As a genuine Makita part, this chain is engineered to the exact tolerances of the DUC405 platform. The 3/8″ pitch and 0.043″ gauge are matched to the saw’s bar and drive system, delivering smooth, reliable cutting without the compatibility concerns that can arise with aftermarket alternatives. Features and Benefits: • Genuine Makita replacement chain — guaranteed compatibility with the DUC405 cordless chainsaw • 90PX type chain with CC cutter type for efficient, clean cutting performance • 3/8″ pitch and 0.043″ gauge matched precisely to the DUC405 bar and sprocket • 40cm / 16″ bar length with 56 drive links • Supplied individually — ideal as a direct replacement or a working spare Specifications: Chain Bar Length: 40cm / 16″ Number of Drive Links: 56 Gauge: 0.043″ Pitch: 3/8″ Type: 90PX Cutter Type: CC Quantity: 1