Hammer drive anchor: Type:countersunk head, into the type expansion screws Material: PA, PE Size: 5*30, 5*35, 5*40, 6*30mm Hammer drive anchor:Type:countersunk head, into the type expansion screwsMaterial: PA, PESize: 5*30, 5*35, 5*40, 5*50, 6*30, 6*35, 6*40, 6*50, 6*60, 6*80, 6*100, 8*40, 8*45OEM is welcome Hammer drive anchor