Shop › Oz Wheels Holden HQ Custom Image 1 of 2 Image 2 of 2 Oz Wheels Holden HQ Custom $30.00 1:64 Scale die cast Holden HQ Custom.Limited Edition Series 1 number 6/6. As new, mint in box. Add To Cart Added! 1:64 Scale die cast Holden HQ Custom.Limited Edition Series 1 number 6/6. As new, mint in box.