Novagrade Phone Adapter - Double GripperThe Novagrade Phone Adapter Double Gripper adds a second set of grippers to their original Universal Phone Adapter. The extra point of positional control prevents the phone from drifting in the holder so the camera lens stays put over the scope eyepiece. The Double Gripper fits any scope with a round eyepiece and any phone either with or without a case. The Double Gripper comes with a full set of compression rings and will fit any eyepiece from 39mm