The SECURITRON-FMK-SL is a flex-mount bracket kit for a sliding gate. The kit is designed exclusively for use with the M62FG Magnalock and the GL1 Gate Lock.All necessary mounting hardware, including four post shims, is included with each FMK-SL kit for steamlined installation. Also known as -Securitron FMKSL Flex-Mount Gate Lock Bracket Kits
