30 Degree Rectangular Base 1 in. tube o.d. (WHITECAP INDUSTRIES P/N 6178C) (#WC6178C) PRICE: $20.67 Part #: WC6178C For shipping estimate: Add to cart then visit your shopping cart to see shipping options and costs. 30 Degree Rectangular Base 1 in. tube o.d.With point-of-sale packaging3 1/4 x 1 7/8 in.1/4 in. (3) fastener316 stainless steel10.2 oz.