There are a few SONY 21 inch models which have different fittings on the rear of the TV
If your model is shown, then please click on the link next to your model number, otherwise click on the "All Other Models" (at the end of the list) to show available tv stands:
Ordered Item Friday, It was delivered Saturday. Top Quality product and fits perfectly with my 50" TV in fact it seemed to enhance the look of the TV. Great design. And quality product.