Projector Ceiling Mount for OPTOMA S310e S316 X312 X316 X316ST X351 X402 X416 FAST SHIPPING: All projector mounts shipped via USPS Priority Mail (2 to 3 day service) Guaranteed to fit any these projector models: OPTOMA S310e S316 X312 X316 X316ST X351 X402 X416 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