Brand: Bob Drake Reproductions Manufacturer's Part Number: HR-1580 Part Type: Patch Panels Product Line: Bob Drake Weld-In Hole Repair Kits Automotive Fittings Part Number: BDR-HR-1580 Notes: 18-gauge steel repair patch discs. Quantity: Sold as a kit. Description: Bob Drake weld-in hole repair kits are perfect for patching unwanted holes or for adding strength to mounting hole locations. They're also great for shimming. The handy 200-piece kits include a variety of 18-gauge steel discs.