Buy from Amazon.com : http://fave.co/1yssaCN <br /><br />Formatt Hitech Limited HT150GKit6 100MM Graduated Neutral Density Kit 6 ( 3 Filter ND Graduate<br /><br />Product Description : <br />Neutral density filters produce a grey neutral tone and are used in photography to reduce light <br />This 100mm filter kit is usable with Hitech 100mm holder systems or any 100mm holder <br />The kit is also available in 85mm 150mm and 165mm sizes
