from aluminum alloy, this clamp offer performances and long durability, making it essential accessory for any photographers toolkit the Two tube clamp easily integrates into existing, offering flexibility and convenience for photographers efficient for both amateur and professional photographers, this Two tube clamp caters to wide ranges of users to enhances their equipments versatility Perfect for studio or on location shoots, this clamp provide for various camera rigs and accessories, enhancing your possibilities The 19mm to 15mm Two Tube Clamp for between tube diameters, ensuring a secure and stable connection in photography