Originally designed for Honda XR400s as a trail tool, but fits many models with 18mm plugs
Thinwall design to fit into low clearance plug cavity
Socket can be driven with various tools including the Motion Pro spark plug ratchet wrench, 3/8 in. ratchet, 13/16 in. wrench, tool kit bar, or a Phillips screwdriver placed through the 8.5 mm hole at the top of the socket
