[Handle Material] Carbon Fiber;[Handle Length] 3.35 inch/85mm;[Knob diameter] 1.6inch/41mm;[Knob bearings] Japanese NMB. [Round Knob] Round knob give you comfortable grip,your hands won't be painful.Less pain,better grip. [More Torque] 85mm length gives your more leverage than stock handle for fishing.Once intall,you will feel buttery smooth and extremely lightweight. [Prerium Material] The power handle is made by high-quality Carbon Fiber.Light, strong and resistant to seawater corrosion.Handle uses Japanese NMB bearings. [No Drilling] It only takes 10 senconds to install.Everything you need is Included.(nuts,plate and screw) Don't throw box.Accessories are in the bottom.