The SeaLand-pro Airline Rail ball base consists of a 1in B sized RAM rubber ball with a single-point airline track connection with the SeaLand-pro quick screw connection. 

Features: 

• 1-point fastening made of with quick screw connection for a secure fastening within the airline rail.
• New design: RAM ball made of chloroprene rubber. Offers better grip and cushioning.
• Location easily adjusted within the airline rail via the knurled securing nut .
• Standard RAM Mount B sized 1in ball.
• Only requires 2 holes within your airline rail. 
• Suits all styles airline rails