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Installed this on my SC4 bench lathe and it lined up perfectly with the drive lever shaft. The metal feels solid and the threading was clean, making the swap quick and hassle-free.

Installed this on my SC4 lathe and it aligned perfectly with the existing shaft, no wobble or extra play. The machining on the handle itself feels really solid, much better than I expected for a replacement part.

Fits the SC4 lathe exactly as the part diagram shows, so no fiddling with filing or shims. The drive lever feels solid and the handle threading is clean, snapped right on in a couple of minutes. Glad I found the right replacement without having to guess.