4吋透射球盒，金屬 – 標準/ 4吋長UTS盒與泡棉

The handle on this metal case is sturdy, and the latches close with a reassuring click that makes me confident my sphere is protected during transport. I was relieved to find the interior foam is exactly as described, holding the 4" retroreflector securely in place without any shifting.

The metal shell feels solid enough to survive a few knocks in the lab, and the foam insert keeps everything snug without any rattling. I’ve been using it for the standard 4" sphere setup, and the latch closes with a reassuring click every time.

The metal case is solid and the foam inside holds the sphere snugly with zero rattling when I close the latches. I’ve used it for a few weeks now and the fit for the 4" retroreflector is exactly as described. Exactly what I needed for safe transport and storage.