Acudor TSP-1 Telescoping Safety Post The TSP-1 attaches securely to most wall mounted ladders to ease climbing in or out of Hatches The TSP-1 (Telescoping Safety Post) attaches securely to wall mounted ladders enabling an individual to enter or exi t a floor hatch or roof hatch in an upright and balanced position. The Telescoping Safety Post mounts to the top two ladder rungs, telescopes up and down, and locks in an upright position. After the TSP-1 has been used it retracts to its original pos ition. Acudor TSP-1 Telescoping Safety Post Specifications: The TSP-1 (Telescoping Safety Post) as manufactured by Acudor Products Inc. Fairfield, NJ shall be constructed of aluminum (Type 6061-T6, ASTM B241) with stainless steel (Type 304) hardware . It shall be designed with a telescoping tubular section that is pulled up by a fixed loop at the top. This section must hook securely over a ladder rung when fully extended. Unit shall be supplied completely assembled with all necessary hardware fo r securing to the ladder rungs in accordance with the manufacturers instructions