Sellers Side Brackets Steel Mounting Brackets. Designed to mount top cabinet to bottom cabinet & allow Porcelain, Zinc or Wood Top to Slide.  Home Page  Hardware Index Sellers Hardware Index   SSB-3..See Price and Buy 11" long, no screws End View above for SSB-3 SSB-1...See Price and Buy Sellers Side Brackets. Exact replacement for original side brackets used on most Sellers brand cabinets. Brackets fasten to the top of the base and to the side of the top. Steel. Length: 11"