Details:
- 100 mm OD aluminum sphere
- Precise design, allowable deviation < 1 mm
- Female 1/4 x 20 threaded mounting
- Painted non-glare white
- Center height is 49 mm for bottom flat (#6703-001)
- Grade 8 magnet — strongest ceramic material available
- 2.03 inch OD steel cup
- 1/4 x 20 stainless steel stud
- Chrome-plated steel cup magnet offers 40 pounds of pull
- Weighs 0.80 lb (0.36 kg)