The lightweight concerning the Universal Shaft is accomplished by reducing the propeller shaft diameter from 4.2mm to 3.4mm (two piece set). The extra weight the conventional shaft is 35g weighed from lightweight shaft 29.5g (one shaft), a weight saving of 5.5g. Therefore alongside four shafts built, it is possible to conserve an overall of 22g. The aforementioned image shows two Lightweight Assembly Universal Shafts.