Kuryakyn Heavy Industry Grips For Harley With Dual Cable Throttle Don't be fooled by the rugged appearance of Heavy Industry Grips. The proprietary Epdm rubber compound provides a soft, vibration-dampening feel for long-haul comfort, while the tough industrial styling hides your softer side. Features: Housings are made from quality cast aluminum with form-fitted Epdm rubber compound for comfort, durability, and longevity Knurled areas between rubber pads provide both style and added grip Form-fitted premium Epdm rubber compound inserts for comfort, durability and longevity Grip housings are cast-aluminum construction Includes machining aluminum end caps