Starrett B120A-6 Dial Caliper Black Face 0-6" Range .001" Graduation

The Starrett B120A-6 is a precision dial caliper from the renowned 120 Series — the only American-made dial caliper on the market. Built from hardened stainless steel and designed for mechanics and toolmakers, this instrument delivers reliable, accurate measurements across a full 0–6" range with .001" graduations and a distinctive black dial face for high-contrast readability.

Key Features:

• Measurement Range: 0–6 inches
• Graduations: .001" dial / .100" bar
• Accuracy: ±.001"
• Revolution Range: .100" per full dial revolution
• Dial Color: Black with sharp, clear graduations
• Bar: Hardened stainless steel with satin finish and no-glare black graduations every .100"
• Construction: Hardened stainless steel bar, measuring surfaces, rack, gears, and depth rod
• Inside Jaw Depth: 5/8" (16mm)
• Outside Jaw Depth: 1-1/2" (38mm)
• Thumb-operated fine adjustment roll for precise one-handed operation
• Knife-edge contacts for both inside (ID) and outside (OD) measurements
• Lock screw secures the dial bezel and holds the sliding jaw firmly in position
• Rack teeth face downward to prevent debris from clogging the gear mechanism
• Can be used to scribe parallel lines on a workpiece
• Includes a fitted plastic case for storage and protection
• EDP: 64515

Part of Starrett's 120/120M Series, the B120A-6 measures inside, outside, depth, and step dimensions with precision and ease. The satin-finished stainless steel bar resists glare while the bold black dial face provides fast, direct readings. A trusted tool for quality control, machining, fabrication, and general precision measurement.