Precise adjustment capability - can be used to increase or reduce the distance of the mounted projector from its fixed point to the projected display with a high level of precisionEasy positioning - adjust the distance to the screen by rotating the ratcheting wrench; to reverse the sliding direction, simply rotate the tab on the wrenchQuick, convenient access - the ratcheting wrench can be attached to either end of the adapter for easy accessVESA compatible - supports standard VESA (100 x 100) on both sidesInstallation materials included - includes four M8 screws, plus plates and adapters to utilize with ELPMB68 Ceiling Mount or ELPMB76 and ELPMB84 Projector Stacking FramesHandles heavy loads - maximum load: 904 lb (410 kg)Sturdy, convenient design - for outstanding functionality and ease of use; dimensions (W x D x H): 13.6'' x 7.1'' x 1.6'' (346 mm x 180 mm x 40 mm)Flexible slide range - provides 4.7'' (12 cm) of forward and backward mobilityIntuitive modular system of accessories - attaches to the ELPMB68 Ceiling Mount; for truss mounting applications, adapter is compatible with the Alfa (ELPMB76) and Beta (ELPMB84) projector stacking frames; for an additional range of adjustment, attach to the ELPMB81 Tilt Adapter or ELPMB77 Tilt Adapter Mounting PlateCeiling mount compatible - includes additional parts to attach to the ELPMB68 Ceiling MountEco FeaturesEnd-of-life options available1Epson America, Inc. is a SmartWay Transport Partner2Better Products for a Better FutureFor more information on Epson's environmental programs, go to eco. epson. com. Epson ELPMB85 Rail Adapter for Projector Mounts.