Qual-Craft Aluminum Pump Jack Scaffolding System Starter Kit - 36Ft., Model# 3016 Features an extra high climbing rate per stroke to get you up to working height fast 6 Ultra Jack braces secure the aluminum poles to the work wall Each jack brace features full swivel head and nailing clips to cover all possible roof pitches Two 24ft. and two 12ft. All Pro Poles are made of 0.140in. thick structural grade aluminum walls with rib reinforcement and have 3-ply anti-slip rubber grip facing with 6in. on-center screw attachment Two 6ft. Ultra/All Pro pole connectors can join any two poles together and allows 3ft. overlap in each section of the adjoining poles