- Provides Clamping Force for Our Prism Mounts and V-Clamps
- Stackable M4 Threads on Top and Bottom of Post
- Unpackaged Weight: 7.71 g
Thorlabs' PM3/M clamping arm features a cap screw-activated flexure mechanism to secure the clamping arm to the post, while a nylon-tipped setscrew secures the optic. A Ø2.3 mm hole located near the top of the post allows for its initial tightening with a 2 mm balldriver or hex key. Both screws feature a 2 mm socket. The PM3/M arm offers 24.6 mm of vertical travel.