Vertex Electronic Tool Length Setter HP-50EM 3403-032 1pc

HIGH ACCURACY
EASY OPERATION
Be user to remove all chips and all from the sensor plate and the base of the HP-50E as well as from the workpiece and tool.
To move the tool approaching the sensor plate slowly.
When touching, the "LED" turn on immediately and "H" is just 50.00 mm. (or 2inch)
LED will not function if batteries are not set in correnctly.
Designed to be used to ferrous.