Basic Soil Sampling Kit Type Non Powered Dia (In.) 2 1/4 in Material of Construction Carbon Steel Hole Depth 12 ft Connector Type Signature Series Connector Features - Includes (3) 4 Foot Extensions (4KKU5) Cleaning Brushes Foam Padded Hard Sided Carrying Case with Handles and Wheels Mud Auger (4KKC7) Plastic End Caps Plastic Liner Regular Auger (4WFC8) Rubber Coated Cross Handle (4KKR5) Sand Auger (4KKG9) Slide Hammer Soil Core Sampler Wrenches