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After struggling with a worn tailstock part for weeks, I was relieved that this replacement sleeve matched the SC4 diagram perfectly and installed without any filing needed. The locking mechanism engages smoothly now, making my projects much more stable.

Finally found the right fit for my SC4 tailstock—part SC4-9 matched the original perfectly. The locking mechanism feels solid and secure, which gives me peace of mind during use.

Wasn't sure a $20 part would fix the sloppy quill movement, but the fit on this sleeve is dead on for the SC4 tailstock. Part number matched the diagram exactly, and the quill locks up tight now with no wobble.