20-50mm Points Inside Micrometer Set With Setting Rings AC-362-509-05

20-25, 25-30, 30-40, 40-50mm graduation: 0.001mm
Steel measuring faces
20-50mm graduation: 0.005mm
Carbide measuring faces
Ratchet stop
Extension rod are included
Setting rings are included (Range<100mm)

Setting rings Ø25mm, Ø40mm