360°Flexible Rotation :Features a soft shaft design that allows 360°flexible rotation, perfect for positioning in tight space during car repairs and mechanical assembly. Double Size Option : Comes with 250MM /350MM extension rod to meet both short ranges tasks and long ranges extended needs, adapting to various work . Wide Compatibility : Compatible for 1/2 drive and bit adapters, enabling multipurpose use and quick tool changes for DIYers and professional alike. Shock Absorption Technology : Built in spring buffer reduces vibrations, minimizing arm strain during prolonged high intensity operations for comfortable use. Comprehensive : 12.5Mm socket, covering fastening needs from simple screws to complex components in auto and appliance repairs., Manufacturer: XuQiZZpp