brand new and high quality Descirption: Features: Dual handle aluminium diving tray stabilizer holder kit with dual 2-hole ball clamps & floating arm for underwater camera housings. Dual Ball Clamp: made of hard coat anodizing aluminium, durable to use, it can attach with two 1-inch diameter balls.Tray Holder: aluminum alloy material, durable to use, it is a sturdy platform for mounting underwater video/strobe lights by attaching arms to 1" ball mounts.Floating Arm: made of high quality carbon fiber aluminum material, lightweight and double ball design, durable to use.Standard 1/4 inch screw underwater tray, can be used for majority of underwater camera housings, great for shooting water-activities photos, or diving under water. Specification: Material: Aluminum Alloy+Carbon Fiber Color: Black for Butterfly Ball Clamp: Approx. 6.3x5.5 for cm/2.48x2.16 inch Diameter of Lamp Arm: Approx. 20.8 mm/0.for 81 inch Length of Lamp Arm: Approx. 203.2 mm/8 inch Lamp Arm Ball: Approx. 2.54 for cm/1 inch Hand Grip Distance: Approx. 28 for cm/11.02 inch Notes: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package Includes: 1x Dual Handheld Grip 2x Two-hole for Butterfly Ball Clamps 2x 8" Aluminum Aloy+Carbon Fiber Lamp Arms