description 6 ft. to 9 ft. aluminum extension plank use the six-foot to nine-foot aluminum extension plank from werner® on single, extension, stepladders, extension trestle or telescoping ladders. it boasts spacers made from molded thermoplastic that let you easily open and close it. for added durability, the extruded cross members feature solid aluminum rivets. the werner aluminum extension plank is made from box section extrusions that are two inches deep. it's adjustable as well, with a locking device that lets you adjust the plank in increments of 12 inches. to keep over-extending from occurring, the adjustable extension plank uses positive stops. to add to its durability, rigidity and strength, this plank boasts heavy-duty handles or end flanges that make it simple and safe to use. california proposition 65 warning. features plank expands from 6-ft to 9-ft for use on stepladders, telescoping multi-ladders, extension trestle ladders and extension and single ladders equipped with ladder jacks made of 2-in deep box section extrusions extruded cross member riveted with solid aluminum rivets positive stops prevent over-extending molded thermo-plastic spacer guides for easy open/close action outer flange open for ladder jack clamps locking mechanism sets the plank in 12-in increments heavy end flange/handles for rigidity and ease of operation specifications acme tools brand name werner acme tools part number pa206 acme tools supplier bullet 1 in store pick up pricing may vary adjustable yes ansi approved yes ansi ladder rating not rated assembled weight (lbs) 31.0 base spread (in) 0.0 base width (in) 0.0 california proposition 65 warning required no country of origin china duty rating (lbs) 0.0 globaltradeitemnumber (gtin) 00051751016482 hand crank no interchangeable parts no internal supplier part # pa206 internet product code (ipc) b408f2de75f jack mechanism no ladder length (ft) 6.0 ladder material aluminum ladder type scaffold manufacturer warranty na material no maximum load (lbs) 250.0 meets ansi or osha standards yes osha approved yes package weight 31.0 package weight (lbs) 31 pump jack mechanism no rail material no scaffolding type planks self locking yes upc 051751016482 weather resistance no weather resistant no