Safety & Durable Aluminum LadderThe folding extension ladder is made of high quality thickened aluminum,designed with industrial-grade height-locking latches and solid rubber anti-slip feet with support bar,avoiding bumping and falling off.The surface of aluminium is oxidized makes it resistant to water,rust and corrosion ensure a long service life.The loading capacity is up to 330lbs. 2024 New Safety & Strong Widened LadderThe balance bar of both bottom base increases the stability of the extension aluminum ladder body by widening the bar. Each balance bar's rubberised feet grip the surface of the floor more efficiently. Both 2 orange plastic security blocks and 2 black anti-slip blocks strengthen the friction with ground.The anti-skid pedal is widened,the steps are thickened and widened,and the standing is stable.