??Wltoys WL913 Brushless RC Boat Propeller WL913-16<br /> <br /><br /><br /><br /><br /><br /><br />Description: <br />Item No.: WL913-16<br />Item Name: Propeller<br />The diameter of inner hole: 4mm<br />Height: 12mm<br />Usage:  Spare part for WL913<br /><br />Package Included: <br />1 &amp;times; Propeller