This new 9/32-24 HSS left hand thread plug tap and die set is suited to Stanley plane restoration and similar thread repair or replacement work. Made from HSS, it is intended for buyers looking for this exact thread size rather than a general hardware assortment. Free shipping is included, which may help if you are comparing restoration tools and small parts by total cost. Because thread specification matters, the 9/32-24 size is an important buying note for fit and compatibility. This listing is most useful for restorers, repair hobbyists, or anyone matching left hand threads on a plane project. Check the listing for full details. 9/32-24 HSS UN Left Hand Thread Plug Tap & Die Set Stanley Plane Restoration. Condition: New. Listed at 24.95 USD. 9/32-24 UN HSS Left Hand Thread Plug Tap & 52100 HCS Die Set, Stanley Plane Restoration Tools,see #8 & 8A in blue on the attached Stanley Parts Diagram. Unified aka UN is a 60 degree thread angle used by Stanley on this size thread.