Custom Service Hardware Home Hardware, Cabinets, Ladder, Door, Invisidoor, QuietGlide, Knobs, Pulls, Decorative Hardware, Screws, Driver Bits, Saw Blades, Hinges, Slides Custom Service Hardware provides general and special purpose hardware at wholesale pricing for everyone - consumers, contractors, and retailers. You can find drawer slides, hidden doors, invisible hinges, rolling library ladders, rolling barn doors, high quality saw blades, and all-wood kitchen cabinets - all at wholesale pricing.