description 28 ft. type iaa fiberglass extension ladder exclusive alflo® rung joint means twist-proof® performance for safety and durability. california proposition 65 warning. features exclusive alflo® rung joint means twist-proof® performance 1-5/8 in. slip-resistant traction-tred® d-rungs plate and rung assembly are riveted at 4 points to each side rail to allow for rung replacement smooth operating pulley with polypropylene rope interlocking side rails with nylon coated internal rail guides on bottom of fly section increase ease of operation external guides at top of base section securely interlock rails base and fly separate easily to use base section as single ladder slip-resistant traction-tred® d-rungs rugged, heavy-duty extruded rung locks are spring loaded to operate smoothly specifications acme tools brand name werner acme tools part number d7128-2 ansi approved yes ansi ladder rating type iaa assembled weight (lbs) 67.0 base spread (in) 0.0 base width (in) 19.0 california proposition 65 warning required no collapsed height (in) 168.0 country of origin mexico csa certified no duty rating (lbs) 375.0 globaltradeitemnumber (gtin) 00051751012866 internal supplier part # d7128-2 internet product code (ipc) 79ce7535d48 ladder length (ft) 28.0 ladder material fiberglass / aluminum ladder type extension manufacturer warranty none meets ansi or osha standards yes osha approved yes package depth 0.53 package height 14.0 package weight 67.0 package weight (lbs) 67 rung/step material aluminum telescoping no upc 051751012866 weather resistance yes weather resistant yes