Suitable for home decoration maintenance, electrical machinery and automobile maintenance.Screwdriver bit models are complete, with 8 extended double-headed bits and additional extension rods built in.PP+ Ergonomic Design Anti- particles will not even if there is oil on their hands.Innovative -type batch head storage device to reduce loss rateSuper locking force knob elastic steel ball buckle locking force is stronger.Name:screwdriver combination setSpecification:19-in-1Quantity:10pcsNote:There are two models of a double-headed screwdriver and extension rod in this screwdriver combination set, and the actual product quantity is 10 pieces, with the function of 19-in-1.Colour:As ShownMaterial:PP++MetalPackage Contents:1 * Screw 1 * Double-ended extension rod8 * Double-headed screwOnly 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.