From high strength aluminium and durability Suitable for 12 Black /11 Black /11 Black /10 Black /9 Black /8 Black used to replace the official base for quick release function With screwdriver, mounting screws shipment, disassembly and installation is Connection the adapter bracket with 1/4inch screw holes at the bottom, to directly connection the small head with 1/4inch, sticks, handle bracket with locking concept, innovative design of the press shrinkage design, making the adapter installation more stable, but also faster,time-saving and labour-saving