Weltool BB5 extension tube for W5/W5Pro flashlight

This BB5 is an extension tube designed for W5/W5Pro LEP flashlight. When W5 is installed with this extension tube, 2 21700 lithium-ion batteries can be used to increase the battery life.

Aluminum alloy CNC processed, black surface anodized
Patent design
Length: 70mm±1mm
Maximum diameter: 30mm

It's just an extension tube, without flashlight body