Features: 100% brand new and high quality It is made from Aluminum alloy material, black treatment, durable, long lifetime The filament welder connector is suit for most kind of 1.75mm filament: PLA/ ABS etc. Package: 1set connector with allen key All metal,high quality,innovative design, easy to use. In order to prevent the filament from becoming brittle, please keep it sealed. You can apply this connector to connector two colors of the same kind of filament material Package Includes: 1PC x Filament Connector 1PC x Allen Key Specifications: Fit for 1.75mm Filament Color: Silver Material: Aluminum Alloy Size: approx 4.5x4x2cm/1.77x1.57x0.79in note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3mm measuring deviation due to manual measurement.