Feature: 1. 7.21FT RETRACTABLE: The retractable rod can be easily adjusted to any custom length from 4.1ft to 7.21ft with a clamshell lock to safely perform all hard to reach high branch pruning tasks from the ground 2. STURDY ALUMINUM ROD: Telescopic rod is made of aluminum rod, light weight, strong and reliable, will not shake or break when fully extended 3. FIRM GRIP: Pruning telescoping rod non slip texted handle provide a more comfortable, stable and reliable grip, especially in wet conditions 4. EASY TO OPERATE: This retractable rod can be easily used with electric chain saws and batteries with a single twist. Will be more efficient and safer than using a shaky ladder, which is a good helper and can help you complete all the difficult pruning tasks 5. WIDELY USED: Perfectly matched with electric trimmers and cordless saws, compatible with battery BL1820 BL1830 BL1840 BL1850 BL1860. Pruning tall branches or pruning low branches, vegetables, weeds, etc. become effortless and efficient. Also easy to get into thick, thorny shrubs or narrow places Specification: Item Type: Pruning Telescoping Rod Material: ABS, aluminum Battery: 1 x 21V lithium battery(not include) Suitable for all kinds of electric chain saws Applicable Battery Model: For BL1830B BL1840B BL1850B BL1860B BL1815 BL1820 BL1825 19439-1 194205-3. Package List: 1 x Pruning Telescoping Rod1 x Cable Tie Note: If you are using a specific chainsaw other than the one we sell, you will need to secure the chainsaw switch to the on position with a strap first.