T T2 Male to M42 Female Mount thread lens Adapter converter (convertor) Ring T-M42 42mm-42mm 

T-mount Male to M42 female adapter ring. Use on lenses to convert from T/T2 mount to M42 mount. Use to convert lens mounts, adapters.

Main Features:
Hard, light, durable
Male screw thread: 42mm (T thread, 0.75mm thread pitch size)
Female screw thread: 42mm (M42 thread, 1mm thread pitch size)
Made of anodized Aluminium
Colour: Black

Suitable for: 
adaptors, lenses, telescopes, etc..

You will receive:

1x converter ring