Example: Option B of coil possibilities. 3200 ml total as two of 1600 ml Stainless Steel 3.7 mm id tubing, single coil on each of two bobbin + flying leads. Mass injection loading approx 16.0 to 64+ grams. All Bobbin structures are stainless steel, NO aluminium used in constructionExample: Option B of coil possibilities. 3200 ml total as two of 1600 ml Stainless Steel 3.7 mm id tubing, single coil on each of two bobbin + flying leads. Mass injection loading approx 16.0 to 64+ grams. All Bobbin structures are stainless steel, NO aluminium used in construction