Mini SST Soil Core Sampling Kit Type Non Powered Dia (In.) 3 1/4 in Material of Construction Stainless Steel Hole Depth 12 ft Connector Type 5/8 in Thread Features - Includes (4) 3-ft Extensions (4KKW1) 2 Plastic End Caps 2 Wrenches Cross Handle (4KKT6) Liner Poly-canvas Carrying Case Regular Auger (4KJY7) Slide Hammer Split Core Sampler Universal Slip Wrench Manufacturers Warranty Length 1 yr