1 Shaft couplers are often used to connect servo motors, stepping motors, encoders, screw drives, machine platforms, etc. 2 The product is made of aluminum alloy, more durable, suitable for most 3d printers 3 The inner diameter is 8mm, and the outer diameter is 20mm, with great workmanship, perfect replacement for the old one. 4 Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 5 With small size, easy to carry and store, with good performance and convenient to use.
What's in the box
4 x Shaft Coupler