Thank you for viewing! This is a brand new, unused quick release base for the Insta360 Ace/Ace Pro (TELESIN). As shown in the photos, this listing is for the adapter only. Please note that fixing screws etc. are not included. 【Affordable Price!】 We are offering this at a low price, so we are unable to offer any discounts. Thank you for your understanding. 【Shipping Method】 ◯ In principle, we will ship within 24 hours of your order. We offer anonymous shipping with tracking, so you can rest assured while waiting for your item to arrive. We strive to provide prompt and courteous service so that we can have a pleasant transaction with each other. Thank you for your cooperation! Action Camera Accessories