The Baash-Ross 200 or 300 ton Hinged Casing Spider will fit most casing handling operations. It can be placed on the rotary table, mounted on a platform which replaces the rotary table, or supported by cribbing, depending......The Baash-Ross 200 or 300 ton Hinged Casing Spider will fit most casing handling operations. It can be placed on the rotary table, mounted on a platform which replaces the rotary table, or supported by cribbing, depending upon the auxiliary equipment and procedure to be followed.