DEWALT DT20501 Impact Modular Flexi Attachment with a patented handle design (flexible shaft &modular handle) reduces vibration for added comfort and control. Durable metal gears providing up to 10x longer life. Impact ready with the strength to stand up to the power of today's impact drivers. Fitted with a rare earth magnet and quick bit ejection for easy one-handed use. Ideal for use in confined spaces. Part of the DEWALT Impact Modular Right Angle System. Specifications: Bit Holder: 1/4in.Max. Torque: 43Nm.Overall Length: 1143mm.