- Robust triangular profile with 2 easy-to-read vials
- Slide marks for setting and transmitting measurements
- Safe and accurate knife guide
- Zero and midpoint scales
- Diameter of the drill bit
- Material: aluminum alloy
- Length: 30 cm
1 * Multi-function Ruler of Horizontal Calibration
OUR 4 POINT CUSTOMER PROMISE：
- Tracking number for every order
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Limited Quantity - Will sell out quickly!