HD Visual Magnetic Field Viewer Card D_200mm Housed inside many of the

Housed inside many of the winches on sailing vessels ring magnets assist with the smooth operation of hauling and lifting of sails as well as providing fail safe functions to allow winches to release the rope or cable when undue force (gale wind) is applied

Colours: White

these contaminants can damage equipment

It is also perfectly suited for collecting tie-wire from 'reo'

heavy-duty gate and door latching

HD Visual Magnetic Field Viewer Card D_200mm Housed inside many of theHD Visual Magnetic Field Viewer Card This handy card identifies the magnetic pole area of any magnetised surface. The viewing film is 45mm x 35mm wide (total card size is 90mm x 70mm wide) and is identified by AMF Magnetics product code MVCard. Product Description: The area between magnetic poles is indicated by a yellow "aura", while the poles themselves appear darker. The HD Visual Magnetic Viewer Card is a practical tool for learning about