Dim A (1) A- 78.250''\nDim B (2) B- 1.125'' Hex\nDim C (3) C- 1.50'' \nFits Models: 1440(SN <30000), 1460(SN <32023), 1480(SN <34000). Loewen Augers are made with Super-Edge Flighting and 3/16'' or heavier gauge material for most models. Hard Surfaced outer edge for longer wear. Replaces Part# 193398C1.