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RG's and Differential
To understand SF and ER ratings in the context of RG's and Differentials, think of a car. If RG's and Differentials are the car's engine, then the veneer is the car's tires.

As a general rule, the lower the RG number (2.45), the quicker the product will pick up its roll. The higher the RG number (2.54), the longer the product will go before picking up its roll.

For differentials, the higher the differential number (.058), the greater the overall hook potential. The lower the differential number (.040), the lower the hook potential.

• Product Line Technical Information
• Ball Maintenance Guide