21-2581 Jumbo Padded Bag Dutch this Slope Meter curve speed

this Slope Meter curve speed indicator is built in accordance with the specifications of the Minnesota Highway Department Traffic Division

105B: 5lbs

unlike other vials in the market

the Johnson 40-6690 offers an accuracy of ±1/16 inch at 100 feet and a grade range of -20 to 40 percent

It also comes with an adjustable audio tone indicator to guide the operator when the receiver is not visible

21-2581 Jumbo Padded Bag Dutch this Slope Meter curve speedIdeal for triple prisms and prism targets or tribrach kits Thick padded interior Heavy duty zipper Inside dimensions: 10" x 9. 5" x 3" (25. 4cm x 24. 1cm x 7. 7cm); Outside dimensions: 12" x 12. 5" x 8" (30. 5cm x 32cm x 20. 3cm) Outside pocket Weighs 1. 06 lb (0. 48 kg)