Telescoping Ladder, SocTone 10.5 FT Aluminum Lightweight Extension Ladder with 2 Triangle Stabilizers, Heavy Duty 330lbs Max Capacity, Multi-Purpose Collapsible Ladder for Household or Outdoor WorkReduced Wobble: After repeated tests, we added two new triangle stabilizers on the telescopic ladder, which can reduce the shaking amplitude from 30 to 10 and effectively improve the stability by 36% compared with the same product. Safety of Use: The high quality construction of the telescoping ladder ensures that each part retracts safely. Smart locking pins hold the parts in place and prevent sliding, and the ladder will retract smoothly and slowly.