gschengzhi Exterior Door Knob Lock Satin Nickel Door Knob with Lock and Key Door Locks for Bedrooms Door Hardware & Locks 1Pack Silver Door Knob is up for auction in Tools & Home Improvement. The current bid is $5.20, 42% below the $9.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.