This 3-piece spring calliper set is designed for marking, drawing, measuring, and machining tasks. The set includes internal, external, and dividing callipers, each made from high carbon steel with precision ground points. Thumb wheel adjustment allows for accurate control, and each calliper has a maximum opening of 180mm.

Features:

• Suitable for marking, drawing, measuring, and machining
• Includes internal, external, and dividing callipers
• High carbon steel construction with precision ground points
• Thumb wheel adjustment

Specifications:

• Maximum opening: 180mm
• Full product dimensions: 14 x 28 x 5 cm