Products > Climbing-Equipment > Extension Ladders > 5300-1 Series > 5310-1 10ft Type IAA Fiberglass Round Rung Straight Ladder > 5310-1

5310-1 Extension Ladders - Keller US
5310-1 Extension Ladders - Keller US


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5310-1 10ft Type IAA Fiberglass Round Rung Straight Ladder


SizeStyleMax. Safe Working HeightReach HeightLoad Capacity

The 5310-1 one-section round rung 10ft Straight Ladder is made with non-conductive fiberglass rails. Easy to transport and maneuver, these ladders bear a duty rating of 375 pounds making them durable and long lasting. The slip-resistant rungs are round, and the durable rail shields and shoe brackets help to protect the rails from damage. The plate and rung assemblies are riveted at four points to the side rails.


  • Exclusive 3-piece rung-to-rail connection means twist-proof performance
  • 1-1/4in slip-resistant round rungs
  • Plate and rung assembly are riveted at four points to each side rail to allow for rung replacement
  • Rugged, heavy duty extruded rung locks are spring loaded to operate smoothly
  • Pre-pierced holes for easy field installation of accessories
  • Durable rail shield and shoe bracket protects rail from damage
  • Dual action feet with slip-resistant pad and spur plate for use on hard or penetrable surfaces
  • Mar-resistant molded end caps
  • Ideal for utility and telecommunication industries


FeatureSize / Details
Max. Safe Working Height10ft
Max. Open Extended Length10ft
Load Capacity350lb
Duty RatingType IAA Duty Rating
Approx. Closed Length120in
Approx. Cu. Ft. Per Unit5.8
Approx. Product Weight (lb)23.8
Approx. Shipping Weight (lb)23.8
Base Width19in
CertificationsANSI A14.5 (2007); OSHA
Max. Load375lb
Number of Sections1
Number of Steps10
Reach Height13ft
Section x Rungs10
Rung Dimension15-1/3in x 1-1/4in
Rung TypeRound

Package Contents

Part NumberQtyDescription



Additional 5300-1 Series Models

Model No.SizeMax. Safe Working HeightMax. Open Extended LengthDuty RatingApprox. Closed LengthApprox. Cu. Ft. Per Unit
5308-18ft8ft8ftType IAA Duty Rating96in4.6
5310-110ft10ft10ftType IAA Duty Rating120in5.8
5312-112ft12ft12ftType IAA Duty Rating144in7
5314-114ft14ft14ftType IAA Duty Rating168in8.1
5316-116ft16ft16ftType IAA Duty Rating192in9.3
5318-118ft18ft18ftType IA Duty Rating222in11.6

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.