Hardened, stainless steel AGD stem. Three different styles of contact points are furnished with each indicator. Large 1-11/16 (43mm) diameter bezels with easy-to-read dial numbers and graduations. Adjustable dials to set zero at any point opposite the hand.
Shank dimension 1/4" (6.3mm) diameter, 3-3/16" (80mm) long. With Deep Hole Attachment &.