GRI GRI 110-12-W Miniature Surface Mount Switch Set, White, Standard Gap Up to 1", Closed Loop, Wire Leads, Self Stick MSRP: Was: Now: $4.61
GRI GRI 28AXWG-B Surface Mount Magnetic Reed Switch Set, Brown, Closed Loop, Extra Wide Gap Up to 2", Concealed Terminals MSRP: Was: Now: $6.32
GRI GRI N20RS-T-B Rare Earth MIGHTY MAG 3/8" Switch Set, Brown, Stubby Recessed, Closed Loop, Standard Gap, MM-400 Rare Earth Magnet, Terminals MSRP: Was: Now: $5.03