This probe features double tube construction, with a 1" outside diameter and a total length of 40½". There are 13 openings along the side of the probe with partitions separating each compartment. An auger vane with an outside diameter of 2⅝" is brazed on to the outer tube and extends ⅓ of the length of the probe. A fixed “T” handle is welded on to the top end for augering into powdery materials. The Keystone Probe is made of chrome-plated steel. Net wt: 9 lbs, Ship wt: 11 lbs, Ship dims: 45" (L) x 12" (W) x 4" (H).