- Brand: Lau PartsMaterial: SteelSize: 1/2 Inch (Bore)Used On Item: 3, 4 and 5 Blade PropellerItem: Hub, Round, Hex
- All Steel with Extra Metal for Durability in the Two Mounting Surfaces (Hex and Round)
- One Inventory for All Propellers Hex on One Side, Round on the Other
- Double Locking Device Grip Thread without Backing Out