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1072 Step Ladders - Keller US
1072 Step Ladders - Keller US


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1072 12ft Type IAA Fiberglass Step Ladder


StyleSizeReach HeightLoad CapacityMax. Load

The 1072 12ft Step Ladder offers an extra heavy duty aluminum multi-functional top with thick side plates.  The internal spreaders are heavy duty and the slip-resistant steps are all double riveted riveted and knee braced.  The rugged bracing and foot pad combination provide bracing strength and increased protection against damage.  Fiberglass rails are non-conductive for working near electricity.


  • Extra heavy duty aluminum multi-functional top with thick side plates
  • Shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each front rail
  • Slip-resistant steps are double riveted and have extra wide knee braces
  • Heavy duty internal spreaders
  • Full set of rear horizontals spaced one per foot
  • Rugged bracing system helps to decrease damage to rail
  • External rail shield helps protect against abrasion damage
  • Slip-resistant foot pads


FeatureSize / Details
Reach Height16ft
Load Capacity375lb
Duty RatingType IAA Duty Rating
Color of ladder topAluminum
Approx. Cu. Ft. Per Unit22
Approx. Overall Ladder Height (Open)144in
Approx. Product Weight (lb)53
Approx. Shipping Weight (lb)53
Approx. Spread79in
CertificationsANSI A14.5 (2007); OSHA
Description of Top FeaturesExtra heavy duty aluminum multi-functional top with thick side plates
Max. Load375lb
Approx. Product Height144in
Approx. Product Width32.44in

Package Contents

Part NumberQtyDescription



Additional 107 Series Models

Model No.StyleSizeReach HeightLoad CapacityApprox. Cu. Ft. Per UnitApprox. Overall Ladder Height (Open)
1076KPro6ft10ft375lb Special Duty Professional Use5.873-49/50in
1078KPro8ft12ft375lb Special Duty Professional Use8.696in

Different types of ladders are designed to keep you safe and productive when climbing or standing. Using the wrong style of ladder or simply ignoring the limitations of climbing equipment can result in a fall or serious injury.
Height reach Height is referring to the actual ladder height. Extension ladders should be 7 to 10 feet longer than the highest support or contact point, which may be the wall or roof line. The highest standing level is four rungs down from the top. The highest permitted standing level on a stepladder is two steps down from the top.

Reach height is the maximum reach assuming a 5’6” person with a vertical 12” reach.
Ladders are designed to safely hold up to a specific amount of weight. The Werner Performance System defines five different capacities using a color and star rating system. The Duty Rating is defined as the maximum safe load capacity of the ladder. A person’s fully clothed weight plus the weight of any tools and materials that are carried onto the ladder must be less than the load capacity.

Performance system
Werner offers ladder made from fiberglass and aluminum. Each material has characteristics which make it best for certain applications, or one material may simply fit the personal preferences of the user. For example, if working around electricity users should select fiberglass products due to their non-conductive side rails.