Feature:1. No More Waste: The 3D printer welder connector can connect disconnected and excess filament material to continue printing.2. Good Printing: The same filament of different colours can be connected to print out multi level models, very reliable.3. Wide Matching: Suits for most 1.75mm filaments, such as PLA, ABS, PETG, PC, PP, PVB, HIPS and so on, high in efficiency.4. Fine Material: Adopting premium aluminium alloy material with a sturdy structure, not easy to deform and also very durable.5. Easy to Install: Comes with a light weight and a compact size as well, the whole installation is very convenient to finish.Specification:Item Type: Filament Welder ConnectorProduct Material: Aluminium AlloyProduct Size: Approx. 45 x 40 x 10mm / 1.77 x 1.57 x 0.39inApplicable Filament Size: Approx. 1.75mm / 0.07inFunction: For connecting broken filament, feed from small end to large end when use. .Package List:1 xFilament Welder ConnectorNote:1. The nylon shown in the picture is for reference only and is not included in the package. 2. When the filament is exposed to the air for a long time, it will lose water and become brittle. To prevent the filament from becoming brittle, keep it sealed.