Compare Quick view .578-28 to 3/4-10 Thread Adapter - Stainless Steel MSRP: Now: $39.99 Was: Convert your .578-28 threads to 3/4-10 threads with this thread adapter! MSRP: Now: $39.99 Was: Compare Quick view Qty in Cart: 0 Price: MSRP: Now: $39.99 Was: Subtotal: