[Securely locked ]When the battery is docked, it will be securely locked in place by its own , the battery will not fall out[Waist through the belt]Can be fixed to the waist through the belt, which is convenient for carrying spare batteries when working at height[Sturdy and durable]The hard plastic bracket is sturdy and durable, easy to install[Easy to install]Can be installed at any angle, upside down or placed under the shelf[Fixing bracket]Fixing bracket suitable batteries and for 18V batteries for BL1860B BL1850B BL1860 BL1850colour:BlueMaterial:plasticPackage Contents:10 x Battery RackOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.