KD couplers are about the best available option available today--others may come close but not quite hit the mark. However they are not without their issues, especially one particularly frustrating one. In this video I'll show you the problem and offer some solutions. So get ready for some sobering truth about KD couplers.
Here is a list of part numbers and dimensions for the magnets I purchased from All Electronics (www.allelectronics.com):
MAG-74 0.105” x 0.2” x 0.4” 2/$1
MAG-80 0.39” x 0.2” $0.75 ea
MAG-143 10mm x 2mm 3/$1.20
MAG-160 0.25” x 0.54” 2/$1