u'amea u'amea pentagon socket anti-gaoi screw.Non standard stainless steel tamper fa'amaonia fa'ailoga, lima mata stud sikulima, le-fa'ata'atia fa'apitoa e tusa ai ma ata ma fa'ata'ita'iga.O fa'ailoga fa'ato'a gaoi e masani ai: fa'ailoga Y-ituaiga fa'asaga i le gaoi, fa'ailoga fa'afeagai fa'afeagai tafatolu, fa'ailoga fa'asaga i le gaoi fa'atasi ma koluma, fa'asala Torx fa'asaga i le gaoi ma koluma, ma isi.