25 mm

15 mm

10 mm

12.5 mm

Branch of 50 Degree

Branch of 45 Degree

Branch of 120 Degree

Branch of 90 Degree

Outside caliper

Inside caliper

Steel rule

Scriber

Measuring

Marking

Tapping

Drilling

Haning the work piece

Holding the work piece

Cutting the work piece

Filling the work piece