Item Name: Flexible Jaw Shaft Coupler D20 L25 for 3D Printer Material: Aluminum Alloy, Steel Feature: 20mm outer diameter, 25mm length. 5mm x 8mm and 5mm x 5mm bore diameter. For Nema 17 connects to T5/T8 Lead screw Measurement System: Metric PCs in Item: 1 Manufacturer: N/A, Made in China Notes:
