This item is a new Newport BK-5 Locking Kinematic Base top paired with a used base bottom.
Specifications:
– Swiveling stainless steel element with 2.1″ diameter x 0.275″ mounting slot
– Ball and socket lock for precise positioning repeatability
– 1/4-20 tapped holes
***MPN BK-5
***OEM Newport Research Corp (NRC)
***SKU*** 34753



