EAN-13 ✓ Valid check digit
A measuring tool to check horizontalness when fitting the saddle or handle bars in proper. Horizontalness in a wide face can be seen using with a ruler and such. Sensitivity: 0.5mm/m(=0.03°)Accuracy: ±2.5mm/m(=up to 0.14°)Dimensions: 75(W) x 25(H) x 15(D)mmWeight: 31g