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, Steez A, Steez 100, Zillion SV TW, T3 except T3 Air, Ryoga 1016, Pluton 1016, Zillion 1016, TD-Z103, SS SV and etc. 34mm dia. 6.5g(measured without ball bearing)
Fixed brake rotor offer stable brake.