SESTO SENSO 37mm adapter

Installed this on my 3.5" FeatherTouch and it fits perfectly—no wobble at all. The 37mm bore measurement is spot-on, making the SESTO SENSO solidly secure.

Machined cleanly and the bore sits snug on the FeatherTouch shaft—zero wobble once you torque the set screws down. Took me five minutes to swap from the old adapter, and the focuser threads engage perfectly with the SENSO. Solid little upgrade.

Installing this adapter was straightforward and it locked onto my focuser shaft without any play. The machined fit is precise enough that I didn't need to fuss with shims, which saved me a good hour of setup time.