The Phidgets Jaw Coupling Half 5/8 Series 24 is an aluminum coupling designed to connect a 5/8" shaft to another shaft using a spider. It is secured with two set screws and is compatible with other Series 24 jaw couplings of varying shaft sizes. This coupling is suitable for high-torque applications and can handle torques up to 610 kg·cm and speeds up to 4000 rpm. It features a 3/16" keyway for a secure connection to a keyed shaft. Note: Ensure proper installation to prevent mechanical failure.