Description This connector can be applied to two-color connectors of the same type of filament material It can weld PLA, ABS 1.75 mm filament Innovative design, easy to use Aluminum alloy material, black treatment, durable Filaments often lose moisture and become brittle when exposed to the air for a long time. To prevent the filaments from becoming brittle, please keep tightly sealed Model: Material-off connector PLA Colour:red Material:aluminum Size: 1.75mm Package Contents: 1 x Red Filament Welder Connector 1 x wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.