The Hinged Casing Spider has a capacity of 200 or 500 Tons, Without insert bowls,will ... 20 inch casing, Insert b The Hinged Casing Spider has a capacity of 200 or 500 Tons, Without insert bowls, will ... /8, 16 inch diameter casing.The Hinged Casing Spider has a capacity of 200 or 500 Tons, Without insert bowls, will ...