ECS Drive Shaft Pin 2x8.5 with Flat Spot (2)

Polished chrome pin for ECS drive shaft, 2.0 x 8.5mm. Specially hand-ground for maximum precision. To help prevent of loosening of the setscrew from the ECS shaft, XRAY recommends using these new pins with flat spots. The flat spots allow the setscrew to better settle into the coupling. Pair.