Laser welding can put a toll on your neck if you are not in the proper position. The ErgoWedge 5° - 25° - Flexible wedge built for maximum comfort and ergonomics for the welder. Mounts to M series stereo microscopes bring the user the opportunity to set their most comfortable viewing angle from 5° to 25°. Combine with other ergo modules for up to 70° viewing angle adjustment.