Item Name: Extender Shaft Conversion Head High Torque Socket Extension Bar Adapter Socket. Size: 25cm x 1.8cm x 1.8cm/9.84" x 0.71" x 0.71" (Approx.)Features: Strong Torque, Variable Angle, FlexibleProduct Model: 1/4 inch, 3/8 inch, 1/2 inchConnector Head Type: Square HeadWeight:1/2 (330g),3/8 (153g),1/4 (55g)Length:1/4 inch: 14.5cm/5.71" (Approx.) 3/8 inch: 20cm/7.87" (Approx.) 1/2 inch: 25cm/9.84" (Approx.) Interface:1/4 inch: 0.63cm/0.25" (Approx.) 3/8 inch: 1cm/0.39" (Approx.) 1/2 inch: 1.25cm/0.49" (Approx.) Description:Two-way winding wire workmanship makes it have strong torsion. The card slot and ball spring design make it possible to prevent it from falling off.The variable angle feature makes it suitable for narrow angles and spaces. Different specifications make it possible to meet different work requirements.Made of chrome vanadium alloy steel material, it is very durable to use.The length of this product is 25cm, the width is 1.8cm and the height is 1.8cm.It is suitable for factory, workshop, industry and so on. Package:3pcs/set Flexible Extension Bar *Please make