Covid's Locking HDMI 2.0 cable, (HDLK) features the Ultra Lock System, making it one of the most secure and reliable high retention HDMI cables on the market. Covid’s Right-Angle HDMI cable, (HD-RA) is an option when space is limited for the HDMI connection. They also offer the benefit of being a more cost effective solution when compared to purchasing both cable and angle adapter separately.