All MW 4130 tubing is certified aircraft quality material that meets 6736 specifications. Small quantities under 100' are sold at the cut price. Large quantities of 100' or more are sold at the 100' price. Different tubing sizes can be combined to produce an order of more than 100', but they must be full lengths. Full lengths can be anywhere from 17' - 24'. If you require lengths of over 100', please call for details.