LockNClimb boxed kit contains the patented LockNClimb ladder stability and safety system designed to fit on 24-feet, 28-feet, 32-feet, 36-feet and 40-feet fiberglass and aluminum extension ladders. The kit comes complete with all parts, hardware and assembly manual printed in English, Spanish and French. The kit installs in minutes using simple hand tools (not included). Once in place the LockNClimb provides additional safety and security. It’s adjustable legs allow work on slanted surfaces. LockNClimb is being used by professionals in most all industry groups to help provide ladder safety and climbing security while preventing costly accidents. Comes complete with Assembly manual and installation DVD. Lifetime manufacture’s guarantee, one-year product and 30-days satisfaction guarantee. Engineer-certified to withstand loads in excess of OSHA requirements, the LockNClimb ladder stabilizers were tested according to ANSI A14.2, ANSI 14.5.