1. The double?blade design is used for trimming hedges, shrubs, bush and twigs. 2. 26mm diameter tube/rod/shaft, the inner shaft is 26mm hole. 3. Easy to install and disassemble, which can directly replace old or damaged parts. 4. Selected 65 manganese steel + aluminum alloy material, sturdy and wear?resistant. 5. The cutting is clean and fast, and simple , suitable for garden pruning. Spec: Item Type: Hedge Trimmer Head Material: 65 Manganese Steel, Aluminum Alloy Weight: Approx. 2160g / 76.2oz Product Size: Approx. 71x6cm / 28.0x2.4in Blade: Length: Approx. 41.5cm / 16.3in Hole Diameter: Approx. 26mm / 1.02in : 5.3mm/0.21in Inner Shaft: Round Hole How to Use: 1. Check whether the product hole diameter size matches your own machine hole diameter. 2. Remove the hedge head of the old machine and install the hedge head accessories of applicable specifications. PackageList: 1 x Hedge Trimmer Head Note: 1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.