You may cast 3g. Ultra light weight 3.5mm deep super shallow tuning spool for Daiwa TW 1000 series reels, and TD-Z reels. Steez SV TW, Zillion SV TW, 17Steez A, Steez 100, Zillion, T3 except T3 Air, Ryoga 1016, Pluton 1016, Zillion 1016, TD-Z103, SS SV and etc. 34mm dia. 4.6g(measured without ball bearing) SIC ball is installed at the end of titanium shaft to remove friction.
Fixed brake rotor offer stable brake.