RUBBISH ITEM DO NOT BUY THOSE PEOPLE ARE CHEATERS , THEY WILL PROVIDE WITH A CHEAP UNCLEAR INSTRUCTION WHICH WILL TAKE YOU 2 DAYS TO SOLVCE THE PROBLEM , THE HEAD AND THE SEAT DO NOT IT AND THEY DONT SHOW YOU HOW TO JOIN THEM COZ SIMPLY THEY WONT JOIN , THIS IS A RUBBISH CHEAP ITEM , AVOID THOSE ARE PROESSIONAL CHEATERS , TAKING THEM TO COURT