.
This is the 10440 extension tube for the GT Nano flashlight, including Aluminum, Brass, and Copper tube.
Warm notice: When the GT Nano black runs on the 10440 battery on Turbo, there is still the risk of burning the LED, buying the 10440 tube means you have acknowledged and will take the risk.
![Lumintop 10440 Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/2_2703690e-cef0-4569-995d-252a4149086d_600x600.jpg?v=1704340646)
![Lumintop 10440 Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/3_8d76cd68-72e3-4393-ae99-199ee50d6715_600x600.jpg?v=1704340702)
![Lumintop 10440 Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/4_5e7a1551-b5d7-449e-9eb0-66900d811384_600x600.jpg?v=1704340851)
![Lumintop 10440 Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/1_beac8374-6aeb-46dd-b36f-4542a3e1224d_600x600.jpg?v=1704340880)
![Lumintop 10440 Brass Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/brass_600x600.jpg?v=1704340912)
![Lumintop 10440 Copper Extension Tube for GT NANO](https://cdn.shopify.com/s/files/1/0248/5888/6180/files/copper_600x600.jpg?v=1704340955)