Correctly measures hole depth to help determine necessary screw lengths.
Add 1-2 mm to length for self tapping screws.
45-98188442 Depth Gauge, Measures 0 to 35 mm (Length : 150 mm)
45-98188444 Depth Gauge, Measures 0 to 40 mm (Length :190 mm)
45-188447 Depth Gauge, Measures 10 to 60 mm (Lenght : 220 mm)
