Giant Chalk Box <br> 110' of Line 

Keson Fiberglass Metric Depth Measuring Tape 50M

Depth Gauges developed for seismographic measuring. Attach any weight to the snap ring and lower to measure depth. The depth gauge is tough, flexible and lightweight with graduations printed on both sides.

Keson Model No. DG50M

  • Numbers are graduated from the weighted end of the tape strap.
  • Tough, flexible and lightweight with graduations printed on both sides
  • White with black and red markings
  • Coating: Clear Coat
  • Tensile Strength: 100kg / 200 lbs



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Visit our great selection of levels, tape measures and marking tools. Name brands include Sands, Keson and Komelon.



Combined Shipping
We offer combined shipping on all our items. Shipping is combined based on the total weight of your order. To get combined shipping add all the items that you are interested in to your shopping cart and than click  Request total from seller. 

Very Important: Please DO NOT pay for your order until the invoice is combined. If you pay for each item individually the orders will ship individually and will not be eligible for combined shipping.

International Customers: Please be aware of what your customs fees will be for your country before ordering. These fees are your responsibility and will have to be paid before your order will be released to you. 

First Class Mail International: shipping is the least inexpensive international shipping available, but keep in mind that in most cases orders do arrive within 20 business days, but some countries can take up to 60 business days to arrive. First Class Mail International tracking is limited to some countries and will not show no more once the order leaves the USPS facility in Chicago.