ITHA13S ITHA2.53S ITHA23S ITH-E0004GRNP ITH-E0816GRNP iThoughX(0.028mm/200m) iThoughX(0.035mm/200m) iThoughX(0.03mm/200m) iThoughX(0.04mm/200m) iThoughX(0.05mm/200m)