What features make the connectors of the Black Box VCB-HD2L-010 HDMI cable secure?

The Black Box VCB-HD2L-010 HDMI cable features gripping connectors that make a snug connection, preventing accidental disconnects.

What is the maximum video resolution supported by the Black Box VCB-HD2L-010 HDMI cable?

The Black Box VCB-HD2L-010 HDMI cable supports a maximum video resolution of 4096 x 2160 / 3840 x 2160 at 60Hz.

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Black Box VCB-HD2L-010 10 ft. Black Premium High-Speed HDMI Cable with Ethernet and Gripping Connectors - HDMI 2.0, 4K 60Hz UHD Male to Male

Tested to meet or exceed Premium High-Speed HDMI with Ethernet Standards.
Transmits full 4096 x 2160 4K 60 (4:4:4) video signals at 18-Gbps bandwidth.
Gripping HDMI connectors make a snug connection that prevents accidental disconnects.
Fully supports HDMI 2.0 spec, including ARC, 21:9 aspect ratio, and more.
PCM, DTS-HD Master, and Dolby Digital True HD Surround Sound compatible.
Features gold-plated contacts and connectors for superior conductivity.
High-dynamic-range (HDR) video support for expanded color accuracy.
Supports HDCP 2.2/EDID/DDC/CEC.