| K16 | One point sixruler (1inch=3.03Cm) |
| K19 | One point nineruler (1inch=3.03CM) |
| K23 | Two point threeruler (1inch=3.03CM) |
A. The overall height, width and division dimensions shall be specified; B. the outer width standard of the product is 70mm, and the center distance between the two holes is 54mm, and the width can be customized according to the actual requirements
