engraving tools glass engraving pen with 1grade natural diamond tip engrave it pen

Place of Origin:

Guangdong, China

Brand Name:

YG

Model Number:

YGD-200

Product name:

diamond tip glass engraving pen

Material:

natural diamond

Usage:

marking on silicon wafer,quartz glass,glass, china etc

cutting thick:

0.3-0.4mm

length:

13.5cm

Packing:

1pc/box

Color:

gray

Function:

carve characters on glass ,china,etc

Diamond grade:

1grade

advantage:

factory price