Starrett® Universal Back, Series: 672, For Use With: 25, 2600 and 2900 Indicator, 8-5/64 in L x 2 in W x 1-11/32 in H, Steel

ITEM FEATURES:

• 3/8 in Dia straight shank
• 45 deg bend clamping screw
• Starrett® indicator backs are well designed