This item contains a quick coupling handle and 6 adaptors

adaptor 1(double ended):Philips 4.5mm/Philips4.3mm

adaptor 2(double ended): Philips3.9mm/Philips3.4mm

adaptor 3(double ended): Philips3.0mm/Philips2.7mm

adaptor 4(double ended): Philips2.3mm/Philips2.0mm

adaptor 5(double ended): square 1.5mm/square 1.2mm

adaptor 6(double ended): cross head 3.0mm/ cross head 2.0mm

Made in stainless steel,good quality