Walimex Pro 19884 Aptaris Universal XL Adjustable Cage for DSLR & Video Cameras (Black) Designed with the highest accuracy in workmanship, outstanding material properties and well thought-out engineering Its Adjustable Height makes this Cage suitable for a vast range of Cameras Many 1/4 inch Threads on all sides and the 3/8 inch Thread on the bottom side allows for the Mounting of many Accessories Black Anodizing gives the Cage a Corrosion Resistant Finish and a Noble design Aptaris is made of extremely light aircraft aluminum and stainless steel