WILDKEN Climbing Hand Ascender Outdoor Mountaineering Tree Arborist Climbing Rappelling Equip Hand Ascender for 8-12MM Rope Left Right Hand Ascender Blue 2 - Right sold2025 You can also place 3*AA

You can also place 3*AA batteries (not included) to use it

There is a hole

Microwavable and freeze-able according to need

The lower the number the more coarse it will be

WILDKEN Climbing Hand Ascender Outdoor Mountaineering Tree Arborist Climbing Rappelling Equip Hand Ascender for 8-12MM Rope Left Right Hand Ascender Blue 2 - Right sold2025 You can also place 3*AAWILDKEN Climbing Hand Ascender Outdoor Mountaineering Tree Arborist Climbing Rappelling Equip Hand Ascender for 8 12MM Rope Left Right Hand Ascender Product Information Powerful and Durable : Hand ascender for rope ascents and a wide, over molded ergonomic handle for a comfortable and powerful grip. The aluminum alloy frame is light yet durable and has a long rope channel for better performance on traverses Ergonomic : The ergonomic thermo molded