Check the listing for details. Thunderbolt TB-003 Professional Knee Pads for Work with Double Gel. Condition: New. Listed at 29.99 USD. Let's Get to Work!Get your Thunderbolts today!Thunderbolt Elite Series IIAnti-Slip DesignThick Gel Foam PaddingDouble Gel CoreHeavy Duty ThundershieldBallistic NylonSuper Strong Neoprene StrapsFits All-Includes Fee 7" extension strapsThunderbolt Platinum ProAnti-Slip DesignDouble Gel CoreThick Gel Foam PaddingHeavy Duty PowershieldBallistic NylonSuper Strong Neoprene StrapsFits All-Includes Fee 7" extension strapSafety OrangeThunderbolt Black DiamondAnti-Slip DesignDouble Gel CoreThick Gel Foam PaddingHeavy Duty ThundershieldBallistic NylonSuper Strong Neoprene StrapsFits All-Includes Fee 7" extension strapsDouble BlackThunderbolt is an American company providing the highest quality tools and protective equipment to trade professionals in all industries. All our products are designed in California with the highest quality materials.Thunderbolt Knee Pads are perfect for all jobs!ConstructionFlooringCarpentryMechanicsGardeningHVACCarpet InstallationGrocery and Warehouse Stocking