Starrett Depth Base Attachment – For “One-Rev” 6″, 8″ 9″ Calipers PT22431

• Knife edge contacts for inside and outside measurements.
• One-hand use with thumb-operated fine adjusting roll.
• Hardened stainless steel rack for lasting accuracy.
• Positive split gear anti-backlash control.
• Inside measurement: No.
• Supplied with fitted case.

See all Starrett EC799 Electronic Calipers