The Phidgets Jaw Coupling Half 8mm Series 12 is an aluminum coupling designed to connect an 8mm shaft to another shaft using a spider. It is secured with two set screws and is compatible with any Series 12 jaw coupling, accommodating different shaft sizes. This coupling is suitable for high-torque applications, supporting torques up to 35 kg·cm and speeds up to 12000 rpm. It is ideal for scenarios requiring the connection of shafts of varying dimensions.