Broken filament connector and filament sensor for Ender 3 Pro 3D printer

Features: This filament welder connector is suitable for most 1.75mm filaments: PLA, ABS, etc. Package includes: 1 connector with Allen key. To prevent the filament from becoming brittle, please store it in a dry place. This connector allows you to join two filaments of the same color and material. Specifications: Compatible with 1.75mm filaments. Color: Silver. Material: Aluminum alloy. Dimensions: Approximately 4.5 x 4 x 2 cm. Note: 1. The actual color of the item may slightly differ from the color shown in the pictures due to differences in display and lighting. 2. Please allow 1-3mm error due to manual measurement. Package contents: 1 filament connector, 1 Allen key.