SERIES II BRIDGEPORT MILL milling machine 4HP QUILL SPRING M CLOCK SPRING. C From United States. 6 watching. Brand: Bridgeport. See similar items. Function: Milling. Bridgeport Series II + EZ Trak II, Front SaddleKnee Center Wiper, PN . C Top Rated Seller. or Best Offer . From United States. Bridgeport Series II + EZ Trak II, Rear Saddle .