Features COMPATIBILITY: Suitable for B2, HB3, B4, B5, HB6, HB8, HB12 and for 48 11 1815, 48 11 1850, 48 11 1820, 48 11 1840, 48 11 1815, etc., 18V lithium batteries. ABS MATERIAL: Made of thickened ABS plastic, the battery mount provides better support, is more sturdy and durable, and has a longer service life. STRONG FIXATION FORCE: Battery mount firmly grip the battery without dropping it, making it a very useful battery fixing tool. TIGHT FIT: The adapter is professionally crafted to precisely match the size of the battery; Reliable and safe to use and won't fall off. PACKAGING INCLUDES: 5 battery holders, 15 screws, you no longer need screws repeatedly, save time and effort. Specification: Item Type: Battery Mount Product Color: Black Product Material: ABS Compatibility: Suitable for B2, HB3, B4, B5, HB6, HB8, HB12 and for 48 11 1815, 48 11 1850, 48 11 1820, 48 11 1840, 48 11 1815, etc., 18V lithium batteries. Package List:1 x Battery Mount15 x Screw  Package List 1 x Battery Mount 15 x Screw