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Free shipping on orders over $100!
Free shipping on orders over $100!
The Weltool BB11 extension tube is a black metal cylindrical object with threaded grooves and a textured spiral design in the middle, designed to enhance the compatibility of the F11R flashlight with 21700 batteries.

Weltool BB11 extension tube

$ 16.00 - $ 16.00
$ 16.00
$ 16.00 - $ 16.00
$ 16.00

Free shipping for orders over $100. Any order containing lithium batteries is at risk of abnormal shipping delays. UPS is highly recommended for any order containing batteries. UPS Ground is required for orders only containing batteries and not meeting the free shipping threshold even if other options are available during checkout.

 Weltool BB11 extension tube for F11R flashlight

This BB11 extension tube is suitable for F11R flashlight. After installing this BB11, F11R can use 2 21700 batteries (INR21-60) to increase the battery life

This product page is just for the extension tube. Flashlight not included.

by Weltool

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