JEOC Magnetic Railshoe with 5/8inch Threaded Mount, Monitoring Prism Base with Strong Magnet, for Railway Surveying

This Railshoe Contains:

NdFeB Strong Magnet *3
· 20*10mm Cylinder Magnet*2
· Ф40*10mm Cylinder Magnet*1

Round Bubble Level *1

Alloy Aluminum L-shape Base *1

5/8inch Threaded Mount *1