Newport MKS Optical Post Pack, 101.6 mm Height, 12.7 mm Diameter, M4 and M6, Qty 10 M-SP-4-PK

This is a 10-pack of the Optical Post. The M-SP-4 Precision Ground, Stainless Steel Optical Post is 12.7 mm diameter with a length of 101.6 mm. It has an M4 tapped hole in one end and an M6 tapped hole in the other end. M-SP Series Posts are compatible with M-VPH and M-VPT Series Post Holders, or can be directly mounted to a table or breadboard. M-SP Series posts can be connected using TA-M4M6-10 Thread Adaptors.