Made of extra strong Carbon Fiber Composites.
mm/inch conversion at any position/or use HOLD Button to keep Digital not change,Zero setting at any position.
Can Measuring inner diameter,outer Dimension.
Low voltage waring by flashing display.
Manual power on/off or auto power off.
packaging
Packaging:Transparent plastic box+Color Sticker
10pcs in Display Box,100pcs in Master Carton Size:48*38*24cm