Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.It is also known as HP-IB (Hewlett-Packard Instrument Bus) and GPIB (General Purpose Interface Bus)Commonly used on older systems by Commodore HP and TektronixThese cables feature a metal hoodQuality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.