Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm [706-62] Marine Navigation & Instruments | AIS Systems A channel system inside the

A channel system inside the discs allows un-restricted positioning of the antenna mounting bolts

the WND100 wind sensor features an ultra tough design with UV and salt resistant plastics

or by helping them clear obstructions that would otherwise interfere with proper radiation

Exceeds ABYC

Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm [706-62] Marine Navigation & Instruments | AIS Systems A channel system inside theSeries 7 Stand Up Ball Bearing Swivel Block 2 3 8" 60mm Single stand up ball bearing block. Stand up spring keeps block upright when not in use. Stainless steel base spreads load out and may be used with 97 49 backing plate. (sold separately) Delrin(tm) ball bearing sheave provides a low friction high strength sheave. Sheave Dia. 2 2 8" (60 mm), Max Line 1 2" (13 mm), Dia. includes urethane base 3 3 8" (86 mm), Height 4 25 32" (120 mm), H2 2 15 32"