Product description: Name: Cylindrical Battery Case Holders Feature: 1. Suitable for AAA battery, can be hold 3 x AAA bateries. 2. With resilient metal column, it can be bounced to most fit the devices. Specification 1.Type: 3 AAAbattery holder for led flashlight. 2. Shape: Cylindrical 3. Color: Black 4. Length(Approx.) : 55mm 5. Material: Plastical+Metal 6. Diameter: Approx. 21mm Package Included: 3Pcs x Battery Holder for AAA Batteries (Batteries are NOT included) Warm Tip: If your flashlight battery tube diameter is smaller than 20mm, then this Battery Holder will not fit your flashlight. Please be aware of this before the purchase. The battery holder case size is not for 18650 battery. Hassle-Free Warranty: Here with our 90-day money back risk-free purchase guarantee, Refund or Replacement for any quality problem.