產(chǎn)品說(shuō)明:Ladderismanufacturedwithcastaluminumalloyfortheframe,extrudedaluminumalloyfortherungs,andstainlesssteelconnectingpins.Theladderhasbeentestedwitha1000poundweightsuspendedfromthecenterrungwiththeladderstandingata75degreeangle.Thereisnopermanentsettotherungandnodamagetotheladder.Theladderhasalsobeentestedwith310poundssuspendedfromthecenterrung,withtheladderinahorizontalposition,onsupports6inchesinfromeachendoftheladder.Ladderislightandeasytocarry.The10footladderweighsonly26poundsLaddercanbeunfoldedandreadyforuseinunder5seconds.Thespeedwithwhichtheladdercanbedeployediscriticalinemergencysituations.