Guy's Magnets 20 mm x 6.4 mm x 5 mm countersunk neodymium ring

These are ideal for a range of holding applications Axially Magnetised through the thickness so that face with the countersink on is magnetised north, while the flat face is magnetised south +/-0.1mm manufacturing tolerances on any dimension Countersunk for an M6 screw

Guy's Magnets 3/4" x 1/8" x 1/16" neodymium ring

Technical Specifications Outer Diameter: 3/4" (19.05mm) inner Diameter: 1/8" (3.175mm) Thickness: 1/16" (1.5875mm) Axially Magnetised through the thickness so that one flat face is north, the other is south Weight: 3.25g Grade: N52 Coating: Ni-Cu-Ni (Nickel-Copper-Nickel) Maximum Temp: 80°C / 176°F Theoretical Maximum Pull: 3lb / 48oz / 1378g Calculated Max Vertical Hold-guidance only: 0.6lb / 9.6oz / 275g WARNINGS: All neodymium magnets are unsuitable for children; do not ingest. All neodymium magnets are brittle; do not allow these magnets to jump together or to an iron/steel surface - they will break, crack, chip or shatter.

Guy's Magnets 19.5 mm x 15.5 mm x 1.5 mm NB10 bonded neodymium axial mag ring

+/-0.1mm manufacturers tolerance on any dimensionMagnetised through the thickness so that one flat face is north and the other is south