STARRETT Long Range Tubular Inside Micrometer / Model: 121BZ

Starrett 121 tubular inside micrometers are designed for large internal measurements beyond the capacity of most other micrometers. Each set consists of a micrometer head mounted at the end of a tubular holder in which measuring rods can be inserted and adjusted to the desired size. Final size reading in thousandths of an inch (.001'') is obtained using the micrometer head. With 2 Graduated Measuring Rods & 1 Extension Rod, Case

Specifications

• Made in America: Yes
• Micrometer Type: Long Range Tubular Inside Micrometer
• Range (in): 32 - 82''
• Graduations (in): .001''
• Measuring Rods (qty): With 2 Graduated Measuring Rods and 1 Extension Rod
• Case Type: Wood
• Accuracy (in): +.0004'' / -.0000''

• Consists of a micrometer head mounted at the end of a tubular holder
• Rods and holder are light in weight
• Rod anvils are adjustable
• Quick, easy adjustment
• Rods and holder are made of rigid, steel tubing
• Hardened and ground anvils
• Insulated rod holder
• Nickel-plated finish
• Satin-chrome finish on micrometer head reading surfaces
• Rods are accurately graduated in inches - micrometer head in thousandths of an inch