This roll holder is compatible with Juthour-Tech 3D Printer such as:
J3030 Extreme
J4040 Extreme
It is also compatible with other 3D Printer
Features:
Light weight
Small size
Holes for screws
Specifications:
Thickness: 6 mm
Material: Aluminum
Color: Silver
Included Component:
(1) Special Spool Holder 6mm Silver (Aluminum)