McMaster-Carr logo
    For Rail Material
    For Rail Material
    Aluminum
    Fiberglass
    Wood
    For Ladder Type
    For Ladder Type
    Step
    Extension
    Straight
    Manufacturer/Brand
    Manufacturer/Brand
    Werner
    Louisville
    Manufacturer Model Number
    Manufacturer Model Number
    21-10
    PK136A
    21-8
    21-7
    PK130B
    PK136B
    PK130A
    PK130S
    Number of Shoes Included
    Number of Shoes Included
    2
    4
    Material
    Material
    Rubber
    Steel
    Aluminum
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Base Color
    Base Color
    Gray
    Black
    Ivory
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    For Capacity
    For Capacity
    250 lbs.
    300 lbs.
    375 lbs.
    Manufacturer/Brand Model Number
    Manufacturer/Brand
    Model Number
    26-1
    26-2
    PK110A
    PK137
    PK130L
    26-3
    26-5
    Base Material
    Base Material
    Rubber
    Plastic
    Rail Width
    Rail Width
    7/8"
    1 1/8"
    1 3/8"
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    74 Products