Feature:1. EXTENSION POLE: Arrive higher branches with ease. Cut through branches effortlessly using the cordless pruning shears (without) with our extension pole. No more struggling to arrive high branches or using unstable ladders.2. ALUMINUM POLE: The extension pole is made from sturdy and lightweight aluminum alloy, making it easy to maneuver and carry. Handle with anti slip texture provides you with a more comfortable, stable, and reliable grip experience, especially in humid conditions.3. COMPATIBLE MODELS: This extension rod can be easily used with an electric pruner (without) and battery (without) with just a gentle twist. Compatible with for BL1820 BL1830 BL1840 BL1850 BL1860 batteries.4. EASY TO CARRY: This telescopic rod can be shortened to 1.83 feet by quickly releasing the thumb rod, easy to carry and store. You can easily put it in the broomstick cabinet at home or hang on the wall of a store. Also suitable for cars or truck lathes.5. VERSATILE USAGE: Trimming high or low branches, vegetables, weeds, etc. becomes effortless and efficient, the pole can also easily enter dense, thorny shrubs or narrow areas.Specification:Item Type: Extension PoleMaterial: AluminumBattery: 21V Lithium Battery x 1 (Not Included)Compatible with: for BL1820 BL1830 BL1840 BL1850 BL1860 Batteries.Package List:4 x Extension PoleNote:1. The bottom of your pruning tool must be 3 pins, not 2 pins.2. Your pruning tool control mode must be negative control, and support high branch pruning function.