Oil Gauging Tape 30m (98ft) with 560g/20oz Plumb bob

The Oil gauging tapes with 560g plumb bob. Note: please do not try to change the plumb bob, The oil gauging tapes are professionally calibrated.
Also known as Sounding Tape

Double-sided with different unit scales, inches/feet & metric, All tapes read right to left.
30M/98Ft, 50M/164Ft, you may choose the size you need, stainless steel tape measure is corrosion-resistant, but please do not use in strong alkali and alcohols liquid.
All oil gauging tapes include a grounding strap to prevent electric shock sparks.