Harken 57mm Carbo Quad Block - Swivel [2631] Marine Navigation & Instruments | Cameras - Network Video Models use solid stainless steel

Models use solid stainless steel billet rams that are chemically polished for unsurpassed durability

5 watts of transmit power with Class B/SO provides faster positioning reporting than ever before¹

all-in-one joystick with a rotary knob and push-to-select button

Supports 12-pin Airmar transducers with XID

Table support options allow for fixed table tops receiving a dual tapered top column

Harken 57mm Carbo Quad Block - Swivel [2631] Marine Navigation & Instruments | Cameras - Network Video Models use solid stainless steel57mm Carbo Quad Block Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave (mm) 57 mm Sheave (in) 2 1 4 in Maximum line (mm) 10 mm Maximum line (in) 3 8 in Maximum working load (kg) 1080 kg Maximum working load (lb) 2380 lb