Check the listing for details. RAM-B-103-A-238U RAM Double Socket Arm with Diamond Plate - B .... Color: Black, Condition: New. Listed at 33.94 USD. RAM Double Socket Arm with Diamond Plate - B ... RAM-B-103-A-238U Genuine RAM Products! The RAM-B-103-A-238U consists of a short length B size double socket arm with a 2.43 INCHES x 1.31 INCHES diamond late with the 2 hole universal AMPS hole pattern.product dimensions Overall Length: 3 INCHES socket to socket length 1.75 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES plate size 2.43 INCHES x 1.31 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumpackaging type Poly BagWeight 0.38 lb product dimensions Overall Length: 3 INCHES socket to socket length 1.75 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES plate size 2.43 INCHES x 1.31 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminum packaging type Poly Bag Weight 0.38 lb