gold tool graphite crucible regular grade is available sizes :
 -> 20x20 -> 25x25 -> 30x30 - 35x35 -> 40x40 ->40x45 ->45x45 ->50x50 ->50x55 -> 50x60 ->50x65 ->50x70 -> 50x75 -> 50x100 -> 55x55 -> 60x60 -> 60x65 -> 60x70 -> 60x90 -> 60x100 -> 65x65 -> 65x70 -> 65x75 -> 65x100 -> 65x125 ->70x70 -> 70x90 -> 70x100 ->75x75 -> 75x80 -> 75x90 -> 75x100 -> 75x125 -> 75x165 ->80x80 -> 80x100 -> 85x125 -> 90x90 -> 100x100 -> 100x120 -> 100x180 -> 120x120 -> 125x175 ->130x130 -> 145x190 -> 150x150 ->170x115