Wide Compatibility: Compatible for 1 / 2 drive and bit adapters, enabling multipurpose use and quick tool changes for DIYers and professional alike 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 Shock Absorption Technology: Built in spring buffer reduces vibrations, minimizing arm strain during prolonged high intensity operations for comfortable use Comprehensive Solution: 12.5Mm socket, covering fastening needs from simple screws to complex components in auto and appliance repairs Double Size Option: Comes with 250MM / 350MM extension rod to meet both short ranges tasks and long ranges extended needs, adapting to various work environment, Manufacturer: Oxxggkao