Features: 1.Safe and pollution-free: It is made of wool and can be effectively biodegraded. 2.Recyclable: The wool felt part of the product supports washing and reuse, and the product can be recycled for a long time after multiple tests. 3.Magnetic attraction function: The product comes with magnetic attraction function, which is convenient and efficient. Description: 1.Aluminum box lock, product packaging is aluminum alloy material, effectively prevent volatilization. Specifications: Color:Blue Material: ABS + 80% Wool Size: 59 * 18.3mm Type: Roller Type Use for: Bicycle Chain Package Included: 1 * aluminum Box 1 * Chain Oiler Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.