FOR SINGLE-Axle trailers Stabilize your trailer: 1 EZ Block Works with scissor and pad jacks 2-½” recessed post hole works great with post jacks Stackable for extra height (no more than 2) Each EZ Block is rated to up to 2,000 lbs, even when double-stacked 8” tall (14” when double-stacked) 12” x 8.5” base, 8” x 4.5” top (pad rest), 2-½” recessed post hole for post jacks Weighs 3.1 lbs Level your RV or trailer on the first try every time: 1 Camper Leveler with 1 Tuff Chock Works great on trailers up to 30,000 lbs and with tires up to 32″ diameter Each Camper Leveler comes with a Tuff Chock Precise leveling at any increment between 1/2” & 4” Keep stabilizer legs from sinking: 4 Tuff Pads (1 pack) Work as a pad for your trailer jack or stabilizer legs Extremely strong and sturdy 8.125” x 8.125” x 0.75” Keep 90% of the dirt outside your RV or Trailer: 1 Clean Step The perfect replacement for a worn out floor mat Unique ridges removes dirt and debris off your shoes and boots Easy to wash Chock your wheels: 2 Extra Tuff Chocks Super thick 1/4” walls Extremely strong & sturdy Made to work with the curve of the Rapid Jack for extra jack support