* The customer can optional equip the plastic tool head according to the
   requirement.
* The universal switch is 40A with a pure silver touching point, it can bear great
   load with a long using life.
* The protective sheath of the bead breaker is optional.
* You can optional equip the MJ-B motorcycle adaptor,convenient dismantling, 
   stable and reliable to use. It will not harm the rim and can be use positive and
   negative. The adaptor will increase the clamping range.
* The clamp is made of special material, strong and durable.
* The claw, demounting head and bead breaking shoe are optional equipped with
   the protective cover. This can prevent the rim from being damaged for the
   operation incorrectly.
* The protective sheath of the bead breaker is optional.