Springfield Thread-Lock Aluminum Surface Mount Base - 10" [3796010-AL] Entertainment | Over-The-Air TV Antennas Compatible with most third-party seats

Compatible with most third-party seats and attachments (including swivels) as well as Shark seats

Use of zinc anodes will invalidate the warranty

The PRO Series is not only larger in diameter

loads up to 1800kgs

52-channel GPS w/standard internal antenna (optional external antenna)

Springfield Thread-Lock Aluminum Surface Mount Base - 10" [3796010-AL] Entertainment | Over-The-Air TV Antennas Compatible with most third-party seatsThread Lock Aluminum Surface Mount Base 10" High strength aluminum surface mount base with anodized finish. Use with any Thread Lock fixed height post (sold separately). Can be used with Thread Lock table and grill posts (sold separately).