Magnetic V-Pads

2 Magnets on Pad Face (XDV2) 2 Magnets on Pad Face (XFV2) 2 Magnets on bottom only (XDV3) 2 Magnets on bottom only (XFV3) 4 Magnets on Pad Face & Bottom (XDV4) 4 Magnets on Pad Face & Bottom (XFV4) 4 Magnets on Pad Face (XNV2)