2X Motor Shaft 8mm to 8mm Joint Helical Beam Coupler Coupling D18L25

Product Name : Beam Coupling; Features : Screw Type(Coiling Clamping) Shaft Usage : 8mm to 8mm / 0.31 inch to 0.31 inch (5/16 inch to 5/16 inch ); Length : 25mm / 0.98 inch Diameter : 18mm / 0.71 inch ; Material : Aluminum Alloy Color : Silver Tone Weight : 13g; Package Content : 2 x Beam Coupling 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.