Looks like they're using the Robotiq 2-finger gripper: https://robotiq.com/products/2-finger-adaptive-robot-gripper https://robotiq.com/products/2-finger-adapti

Looks like they're using the Robotiq 2-finger gripper: https://robotiq.com/products/2-finger-adaptive-robot-gripper https://robotiq.com/products/2-finger-adaptive-robot-gripper