Features: Suitable for 12 Black /11 Black /11 Black mini /10 Black /9 Black /8 Black used to replace the official base for quick release function; Aluminium materials high strength durability; Connection the adapter bracket with 1/4inch screw holes at the bottom, convenient to directly connect the small head with 1/4inch, selfies sticks, handle; The base with quick release adapter bay, quick release base, making the old camera quick release convenience; Magnetic 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; With screwdriver, mounting screws shipment, disassembly and installation is convenient. Specifications: Material: Aluminum Product weight: 0.049KG Color: Black for 12 Black /11 Black /11 Black mini /10 Black /9 Black /8 Black Size:about 4.4x3x1.50cm/1.7x1.18x0.6in Package Includes: 1 set x Magnetic quick removal base bracket note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.