Ko te Ruler Granite Square rite ki te DIN, JJS, GB, ASME Paerewa
He mea hanga te Ruler Tapawha Granite e Black Granite.Ka taea e tatou te hanga i nga rangatira tapawha granite kia rite kiPaerewa DIN, Paerewa JJS, Paerewa GB, Paerewa ASME…Ko te tikanga ka hiahia nga kaihoko ki te rangatira tapawha kowhatu me te Tohu 00(AA).Ko te tikanga ka taea e matou te hanga rangatira tapawha granite me te tino tika kia rite ki o hiahia.