European Style 40 position quick change lathe tool post & holders. 1it is main parts of normal lathe. 2Cam-lock handle can firmly lock and quickly release tool holder. 3Height of cuting edge is easily & accurately adjusted by special screw. 4Tools can be reground without removal tool holder and set device remain unchanged. 540 different angles (every 9°) can be conveniently selected from position dials with marker. 6holders are interchangeable with most other brand 40 position tool post. 3Pcs AaD12x50 and 1pcs AaH12x50. 3Pcs AD20x90 and 1pcs AH20x90. 3Pcs ED20x90 and 1pcs...