RAM® Track Ball™ Quick-Release Base with C Size 1.5" Ball | RAP-383U RAM-B-138-GA75LU 5" Ball with a flat

5" Ball with a flat 3" x 11" rectangular mounting plate

Featuring the highly trusted spring-loaded X-Grip® design

Includes #6-32 hardware for Garmin fish finder assembly

Dimensions: T-bolt dimensions: 0

38" ball bases(E Size)

RAM® Track Ball™ Quick-Release Base with C Size 1.5" Ball | RAP-383U RAM-B-138-GA75LU 5" Ball with a flatThe RAP 383U is a quick release track base that adds a RAM C Size 1. 5" ball to compatible gear track systems. A simple twist of the ball loosens or tightens the base, allowing it to slide along the track for fast repositioning. Its high strength composite construction makes it well suited for marine and outdoor mounting applications where accessories may need to be moved or removed frequently. Key Features Quick release track mounting design Slides