E-Series Kinematic D-Shape Optical Mirror Mounts offer many high value features essential for mounting 1" (25.4mm) diameter Knife-Edge Pickoff Mirrors. The mounts are offered with 2 screws for tip and tilt optical adjustment and alignment (±3.5°). The M6 x 0.25 (101.6 TPI) adjustment screws provide smooth movement and can be driven by hand or by Allen key (2mm key size). The adjustment screw knobs are removable to create a more compact form factor. E-Series Kinematic D-Shape Optical Mirror Mounts feature mounting holes with both a counterbore designed to accommodate M4 or 8-32 mounting hardware, and M6 x 1.0 internal threads for increased mounting versatility and direct compatibility to TECHSPEC® Stainless Steel Mounting Posts and Pedestal Posts.