Rockler has always been one of a handful of suppliers I use for quality woodworking and hard to find tools.
They are a very good company to deal with -- and stand behind their products.
http://www.rockler.com/148-piece-master-driver-bit-set?sid=V20028&utm_source=bronto&utm_medium=email&utm_term=Image+-+%25%25$product.1.product_url%25%25?sid%3DV20028&utm_content=Spectacular!+Sizzling+Summer+Deals:+New+Items+Added+%2B+3+Day+Flash+Sale!&utm_campaign=062616_b_d_SizzlingSummerDealsUnder30_V20028
Best,
Fred
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