Check the listing for details. RAM-404-379-372437U RAM Tough-Claw Heavy Duty Mount for weBoost.... Color: Black, Condition: New. Listed at 97.44 USD. RAM Tough-Claw Heavy Duty Mount for weBoost... RAM-404-379-372437U Genuine RAM Products! This weBoost mounting kit includes a 3/8 INCHES -24 X .375 INCHES threaded RAM Tough-Ball that screws into thread adapter of the weBoost antenna, a C size medium length socket arm and a C size medium clamp RAM Tough-Claw to mount to 1 INCHES to 1.6 INCHES rails and bars such as a vehicle ladder, or roof/bed rack. The adjustability of the RAM Mounts system allows you to collapse the antenna while not in use, as well as extend the reach of the weBoost antenna if mounted in a tight space. This weBoost antenna mount is compatible with Drive Reach OTR and Drive X antennas making this the ideal mounting solution for off-road vehicles and semi-trucks.clamp range 1 INCHES - 1.6 INCHES diameterthread pitch 3/8 INCHES -24 X .375 INCHES ball size C Size (1.5 INCHES )weight capacity Standard Use: 4 lbsHeavy-Duty Use: 3 lbsmaterials Marine-grade aluminumHigh strength compositepackaging type Poly BagWeight 1.62 lb clamp range 1 INCHES - 1.6 INCHES diameter thread pitch 3/8 INCHES -24 X .375 INCHES ball size C Size (1.5 INCHES ) weight capacity Standard Use: 4 lbsHeavy-Duty Use: 3 lbs materials Marine-grade aluminumHigh strength composite packaging type Poly Bag Weight 1.62 lb