Heavy duty aluminum,with carry case

Front side E reading or 5mm reading,back side mm reading from top to bottom for internal measurment.

Available in 3m, 4m,5m,7m including slit to put circular vial.

Base plate is made in stainless steel.

LSS-3M 3mx3sec 

LSS-4m 4mx4sec

LSS-5M 5mx5sec

LSS-5MW 5mx5sec(wide)