Adjustable parallel set 6 pcs/set 3/8" to 2-1/4" #703D-755
Brand: CME Tools
Adjustable Parallel Sets 3/8" to 1-1/4" *Consists of two precision ground pieces which slide smoothly on each other. *locked into position by screws. *Can be quickly inserted into openings and expanded to exact size, then measured with a micrometer.