Dimple key type lock with key protection function. - Brand: Panasonic - Model: SAJ083 - Type: Dimple key - Features: With key protection function - How to use: Easy to install Features: Weather resistant Lock type: Key lock Product dimensions (L x W x H): 30 x 100 x 120 mm Material: Metal Recommended use: For bicycles Shape: Circular Difficult to be unlocked illegally Product weight: (approx.) 0.18kg Accessories: Includes 3 dimple keys Rear wheel circle lock using dimple key I noticed the size was different after purchasing in August 2025. The package has been opened, but the item is unused. Thank you.