The F1 DIY Droid Chassis Kit contains 27 precision CNC plasma-cut, machinist-finished 1/4" steel components — everything you need to start building your own articulated steel robot frame. Parts bolt together using standard hardware and can be welded for rigid assemblies. Parts ship as bare steel. Kit includes: 2x DIYD-F1A, 2x DIYD-F1B, 2x DIYD-F1C, 2x DIYD-F1D, 2x DIYD-F1E, 1x DIYD-F1F, 2x DIYD-F1H, 3x DIYD-NG2, 3x DIYD-NG3, 2x DIYD-F1i, 4x DIYD-JK1, 1x DIYD-F1L, 1x DIYD-F1M