The General 3-Inch Pocket Caliper is an ideal tool for measuring the inside and outside dimensions of rods, tubing, and plates. It has outside measurement capacity of up to three inches. The sliding arm provides inside/outside readings in 32nds of an inch and millimeters. It four-inch main arm includes 16ths of an inch graduations on the back.

The General 3-Inch Pocket Caliper is made of high-strength fiberglass-reinforced plastic (FRP) to ensure durability and long-lasting service. Designed for precision and accuracy, it features etched and filled black graduations that allows easy and exact reading. It comes in a compact and portable size that fits in any pocket making it accessible for all measuring needs.

• Outside Measurement Range: 0” to 3”
• Measures inside and outside dimensions 
• Made of durable fiberglass-reinforced plastic
• Includes 4” rule with 16ths of an inch graduations on the back
• Inside/outside readings graduated in 32nds of an inch and mm
• Etched and filled graduations
• Built for precision and accuracy
• Compact size provides portability and easy accessibility