Stationary Wall Mount Backstop Units use four point attachment for backboards with 36” x 63” or 20” x 35” mounting centers, which is compatible with ADP Lemco’s complete backboard line with 2 upper safety chains with heavy malleable turnbuckles provide additional support. Our telescopic design allows for easy install and full adjustment of units for all custom applications. Wood bucks for mounting are included. Backboard and Goal are not included and will need to be added to the order. Our Height Adjuster is compatible with all our Wall Mounted Units.