The Active Noise cancellation function digitally removes background noise from transmitting and receiving audio to provide clear communications in noisy maritime environments
Battery Temperature Compensation
Medium frequency provides excellent shallow to mid-depth performance
The incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a mere 9 grams
Suction Stop Sac Valve Threads
Schaefer Double, Universal Head, Becket, Ball Bearing Boat Flying Scot The Active Noise cancellation functionDouble ball bearing block with aluminum cheeks and becket. Works with 506 25 or 506 45 for a 4: 1 purchase. Delrin(tm) ball bearing sheaves provide low friction and high safe working load. Swivel head may be locked in place to avoid twist. Sheave Dia. 2" (51mm), Thickness 1 21 32" (42mm), Width 2 1 8" (54mm), Length 6 3 16" (157mm), SWL 1500 lbs. (680kg), Weight 9. 1oz (258g), Max Line 7 16" (11mm) Works with 506 97 For boats to 30'