Projector Ceiling Mount for OPTOMA W312 W316 W316ST W351 W402 W416 WU416 FAST SHIPPING: All projector mounts shipped via USPS Priority Mail (2 to 3 day service) Guaranteed to fit any these projector models: OPTOMA W312 W316 W316ST W351 W402 W416 WU416 Sets the projector only 5" from the ceiling Precision Machined Aluminum Design - 100% Aluminum Backed by a LIMITED LIFETIME WARRANTY and 100% Money Back Guarantee