M4 x 45mm Nylon Thumb Screw with T Nut Thread Diameter: M4(Metric)Length of the Thread: 45mmRod Length: 45mmOverall Length: 55mmMaterials: NylonThumb Screw Type: SpadeT Nut: 3 Pins, 6mm Height. Fit M4 ThreadApplication: Fastener for RC Model Airplane, Car, BoatPackage Content:4 Pcs M4 x 45mm Nylon Thumb Screw with T Nut