Feature: 1. APPLICABLE MODEL: This battery adapter is suitable for RIDGID or for AEG 18V lithium battery tool converts for MAX 18V 20V lithium battery. 2. ABS SHELL: The adapter shell is made of ABS plastic, which has good toughness, corrosion resistance, aging resistance and long service life. 3. MAIN PURPOSE: This lithium battery adapter is mainly used to share battery between cordless tools, saving cost, which is efficient and durable. 4. COMPACT SIZE: This power tool battery adapter has a compact size, it is convenient to use and carry anytime, anywhere, with strong practicability. 5. GOOD PERFORMANCE: The cordless tool battery converter has standard interface, which has stable connection, reliable performance and good contact. Specification: Item Type: Battery Adapter Material: ABS Application: For RIDGID or for AEG 18V Lithium Battery Tool Converts for MAX 18V 20V Lithium Battery . Package List: 1 x Battery Adapter Note: Measure manually, the specific size is subject to actual.