drop-in kitchen sink - tsibomu 20 x 16 inch single bowl topmount bar sink, 18 gauge stainless steel, compact basin for small kitchens, rvs, and prep areas is up for auction in Tools & Home Improvement. The current bid is $1.00, 99% below the $110.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.