The extension rod is formed by winding a plurality of rods, which has higher strength than the traditional extension rod. Universal electric wrench/ratchet wrench, spring technology, strong support. Spring technology can prevent fracture, strengthen support, and can be used in bending. The specification is 1/2'12.5mm square interface, and the connector is equipped with anti-drop beads and a solid socket head. Both the square joint and the socket joint are provided with wrench clamping grooves, which is convenient for applying force. Name: Sleeve extension rod Specification: 1/2'(12.5mm) connector Colour:silver+black Material:steel pay attention to The middle material of the product is spring steel, so you can use it clockwise at will, and don't rotate it counterclockwise, otherwise the head will easily fall off and reduce the service life. Package Contents: 2 x Sleeve extension rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.