Mini tripod with 3/8"screw: tripod with 1/4" and 3/8" 2-in-1 screws, so the mounting screw can interchangeable from 3/8" to 1/4 easily. Please allow 48 hours for the tracking information to become available. If you're looking to return your order for whatever reason, we're here to help! We will respond to you within 24 hours and do our best to help you out! Thanks For Shopping With Us!