Check the listing for details. RAM-B-108-A-STRAP40-238 RAM Double Ball Hose Clamp Kit 2" - 3" with D.... Color: Black, Condition: New. Listed at 52.94 USD. RAM Double Ball Hose Clamp Kit 2" - 3" with D... RAM-B-108-A-STRAP40-238 Genuine RAM Products! The RAM-B-108-A-STRAP40-238 consists of a short length B size arm with a 2.43 INCHES x 1.31 INCHES diamond base with 2 hole AMPS pattern and a strap clamp base for rails between 1 INCHES and 2.1 INCHES diameter.hardware included (1) #40 Worm Drive Strap Clamp(1) 6 INCHES Rubber Stripclamp range 2 INCHES - 3 INCHES diametersocket to socket length 1.75 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumpackaging type Retail BagWeight 0.62 lb hardware included (1) #40 Worm Drive Strap Clamp(1) 6 INCHES Rubber Strip clamp range 2 INCHES - 3 INCHES diameter socket to socket length 1.75 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminum packaging type Retail Bag Weight 0.62 lb