Humboldt H-4200 Stainless Steel Soil Pocket Penetrometer; 0 to 4.5 tons per sq. ft

Penetrometer is easy to use: push the scale into the penetrometer body until the 0.0 mark is showing. Inset stainless steel piston into soil until indicating mark. The easy-to-read scale indicates strength from 0 to 4.5 tons per sq ft. The reading is maintained until manually reset. Penetrometer is constructed from stainless steel and measures 7-3/4 inch L x 2/3 inch dia (200 x 16 mm). what's included: carrying case with belt loop. Lightweight, spring-operated penetrometer quickly measures the compressive soil strength easy to use with easy-to-read results.