Use the Chief KSA1250B-2 Quick-Connect Interface for fast & easy tool-free installation of any Dell ® monitor to any Chief monitor mount product. Simply click the monitor into place via the Dell ® Quick Release slots, and away you go! See the following enhanced Kontour™ ™ products that include the KSA1250B-2 pre-installed for the fastest possible tool-less installation out-of-the-box : Single Monitor Arm, Black: K1D120BXDL Single Monitor Arm, Silver: K1D120SXDL Dual Monitor Arm, Black: K1D220BXDL Dual Monitor Arm, Silver: K1D220SXDL Dell ® is a trademark of Dell Inc. Provides fast & easy install of most Dell ® monitors to any Kontour™ ™ monitor arm. Hardware-free connection to the Monitor for fast installation and replacement. Requires 4 screws to mount the bracket to the 100x100mm VESA pattern on any Kontour™ ™ monitor arm. See the following enhanced Kontour™ ™ products that include the KSA1250B-2 pre-installed for the fastest possible tool-less installation out-of-the-box: Single Monitor Arm, Black: K1D120BXDL Single Monitor Arm, Silver: K1D120SXDL Dual Monitor Arm, Black: K1D220BXDL Dual Monitor Arm, Silver: K1D220SXDL