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40-4 Locking Caster

Performance Overview

Tower StyleType of Component

40-4 Locking Caster for aluminum scaffolds is 5 in x 1-1/2 in and fits on Werner scaffold legs 40-4SL.


  • Fits on Werner Scaffold Legs: 40-4SL
  • Diameter: 5 in x 1-1/2 in
  • Rubber tread swivel type locking caster
  • 2 way lock prevents rolling and swiveling
  • Caster is rust resistant


FeatureSize / Details
Tower StyleStepladder
Type of ComponentMobility
Approx. Shipping Weight Lbs.5.45
Approx. Cu. Ft. Per Unit0.31

Package Contents

Part NumberQtyDescription



Additional Models

werner caster

is this for the blue scaffolding thay home depot sales?
Asked by: guz
It is not
Answered by: Werner Customer Care
Date published: 2017-04-03
  • y_2017, m_10, d_16, h_20CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
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  • clientName_werner

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 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.

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.