PRECISE 3" Mini Vernier Caliper, an essential tool for those who appreciate the value of accurate measurements. Whether its for an intricate science project or everyday classroom applications, this caliper is small enough to be carried anywhere, yet powerful enough to deliver reliable readings. With a capacity to measure up to 3.25" (82.55 mm), it allows users to measure both internal and external dimensions. Manufactured from lightweight plastic, its design emphasizes both portability and durability. Dimensions of 4" x 1.75" (10.16 cm x 4.45 cm) further attest to its compactness. More than just a measuring instrument, its an educational tool perfect for introducing students to the art of using calipers. With a precision of 1/128" or 0.05 mm, every measurement promises accuracy and consistency.