Schaefer Single Ball Bearing Block [506-05] Marine Safety | Safety Lights Ventilation hose (not included) twists

Ventilation hose (not included) twists into the bottom of the box to form a raised water barrier

CP-30 is identical to CP-20 except that it offers externally replaceable motor brushes

Charging is further regulated with the optional DC-BTS-A-C Battery Temperature Sensor

Curved mirror provides a wide feld of view

Schaefer Single Ball Bearing Block [506-05] Marine Safety | Safety Lights Ventilation hose (not included) twistsSingle Ball Bearing Block Single block with aluminum cheeks and ball bearing sheave. Delrin ball bearing sheave ensures low friction operation. Swivel head may be locked in place to avoid twist. Specifications: Sheave Diameter 2" (51mm) Thickness 15 16" (24mm) Width 2 1 8" (54mm) Length 4 13 32" (112mm) SWL 1500 lbs. (680kg) Weight 5oz. (142g) Max Line 7 16" (11mm)