This neodymium ring magnet has a 7.5mm inside diameter and fits perfectly over any standard screwdriver bit; only $0.95, save 8% when you buy 10 or more.
The Mark I Magnaprobe can respond to as little as 0.3 gauss & will detect weaknesses in magnetic shielding. The Mark II Magnaprobe is a fast & convenient way to confirm magnet are positioned with their poles pointing correctly.
|SKU:44608-5; Size:OD12.5 x ID7.5 x 5|
|Pull Force in Pounds & Kilograms at different distances (mm) above Magnet|
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