General description This Digit Combination Lock set includes 3 pieces designed for anti-theft protection of helmets, luggage, bicycles, and more. The locks feature a 50 cm steel shackle and a mini 3-position combination mechanism, making them versatile for various uses. Technical specifications Material: Zinc Alloy Color: Black, Red, Yellow Size: 8 cm x 4 cm x 2 cm Wire rope length: 50 cm Wire rope diameter: 16 mm Lock thickness: 16 mm Usage Secure bicycles, scooters, helmets, luggage, skis, snowboards, strollers, and pushchairs. Easy to lock and unlock with a combination mechanism. Other information Package includes: 3 helmet locks. Do not expose to direct sunlight or extreme temperatures. Allow for a 1-3 cm error due to manual measurement. Color may vary slightly due to shooting technology and ambient light.