1.Touch point LED indication 2.Manufactured from high quality alloy steel 3.Hardened and precision ground 4Concentricity 0.01

Optical Edge Finder

Order No.	Diameter of Holding Bar	Length	Accuracy
0927.001	20mm	176	0.01
0927.002	32mm
0927.003	20mm	98
0927.004	32mm
0927.005	3/4in
0927.006	1-1/4in

The relative picture as below,

Optical Edge Finder