Beholder D2 Carbon Fiber Dual Handle Grip for DS1 or MS1 This beholder D2 Dual handle grip use 3K carbon-fibre tube,and high precision made aluminium alloy;lightweight and durable Support for Beholder DS1 or MS1,Support controls drive-by-wire Embedded structure in connected position,more stable and durable Quick relearse design makes it easy to install stabilizer on and off Vertical design,can put product vertically on the desk without stabilizer holder