The C1560/M cage clamp securely attaches 60 mm cage assemblies to Thorlabs' Ø1.5" P-Series posts. The quick-connect mechanism allows for fast drop-in/drop-out of the cage assembly itself. Two M4 tapped holes are provided for optic mounts with M4 counterbored holes. An additional 5 mm hex cap screw is provided as the main quick-connect cage clamping mechanism. The unpackaged weight of the C1560/M is 111 g.