The GRANCAM Arm is an accessory that specifically pairs with the GRANCAM to mount it to the GRANBOARD.It can be installed and mounted on a wall surface and is also compatible with the Gran Pole Stand.Product features: Made specifically for use with the GRANCAM Base mount that can rotate 360 and be mounted in any position Compatible with Gran Pole StandPackage Contents:Gran Cam Armbody size: 25cm to 41cm (compact to full extension)weight: 129gL-shaped stayTapping screws x 2Arm fixing screw and washer x 1