Feature: 1. High‑strength 65 manganese steel + aluminum alloy material, durable and wear‑resistant. 2. It is used for pruning hedges, shrubs and bush, and pruning twigs. 3. Compatible with 26mm diameter tube/rod/shaft, with 9‑tooth spline on inner shaft. 4. Double blade design, incisive, fast cutting, suitable for gardening and pruning. 5. 9 gear box, used for 9‑tooth drive shaft, easy installation, long‑term use. 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. Specification: Item Type: Hedge Trimmer Head Material: 65 Manganese Steel + Aluminum Alloy Weight: Approx. 2200g / 77.6oz Product Size: Approx. 69.7x6cm / 27.4x2.4in Blade: Length: Approx. 40.5cm / 15.9in Hole Diameter: Approx. 26mm / 1.02in Inner Shaft: 9 Teeth Round Hole Package List: 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.