521.05 = Anodized aluminum plate with four WBT-0765 safety line posts. Includes a closed cell foam rubber gasket and six wood screws.
521.06 =
Black anodized finish.
Dimensions of the plate:
110mm x 150mm
WARNING: This product can expose you to chemicals including phthalates, or more chemicals which are known to the State of California to cause cancer and birth defects or reproductive harm. For more information go to:
www.P65Warnings.ca.gov