Description:

Made of high quality carbon steel, with fine workmanship, it is accurate measurement, no rust and is durable.

Turn the nut in middle of compass to adjust the diameter of circles.

Please do not adjust the diameter bigger than the maximum ones, or the compass will be broken and cannot be repaired.

Geometry tools, perfect for math classes, drafting, architectural drawings, engineering designs, both mechanical design and construction.

Good for students, teachers, engineer, designers, artists, etc.

Specification:

Material: Carbon Steel

Color: Silver

100mm:

Overall Length: 105mm/4.13inch; Maximum Span: 110mm/4.33inch

125mm

Overall Length: 130mm/5.12inch; Maximum Span: 165mm/6.5inch

150mm

Overall Length: 150mm/5.91inch; Maximum Span: 175mm/6.89inch

200mm

Overall Length: 205mm/8.07inch; Maximum Span: 275mm/10.83inch

250mm

Overall Length: 260mm/10.24inch; Maximum Span: 375mm/14.76inch

300mm

Overall Length: 305mm/12.01inch; Maximum Span: 415mm/16.34inch

Package Includes:

1 Piece Pencil Compass Scriber

Note:

1.Please allow a little difference between the real item and the pictures due to monitors difference.

2.Please allow some measurement errors.