Learn the essentials of seamanship from one of the world's premier boating organizations Developed and refined through 40 years of Coast Guard Auxiliary training courses, Boating Skills and Seamanship is your perfect introduction to recreational boating's fundamentals. Great for beginning and interm...

Clip this device onto your bcd so it's handy when you need to get your diving buddy's attention. A magnet is located inside on either end of the shaker with a ball bearing in between. Shaking the device moves the ball bearing, creating a loud Echo sound underwater. It's a great communication system...

CRC electrical parts cleaner is a non-flammable, chlorinated, non-ozone depleting cleaner/degreaser designed for use on electrical equipment. It is a volatile organic compounds (VOC) exempt alternative to ozone depleting chlorinated solvents, and does not contain methylene chloride. It evaporates qu...

Features: 8 pins DPDT, with coil voltage DC 12V, contact capacity AC 30A 250V and DC 30A 28V. The JQX-12F 2Z General Purpose Relay can adjust automatically, protect and transform the electric circuit. Widely used in the remote control, communication, automatic control system, electronic equipments,...

This Eaton XTD1A2A2 toggle switch is rated for 20 amp at 125 VAC, 10 amp at 277 VAC, 3/4 hp at 125 to 250 VAC, and has three switching positions (on, none, and off) with maintained switching action for sustained operation of the circuit. It is a single-pole, single-throw (SPST) switch with brass scr...

CRC Lectra Shield long term corrosion inhibitor. It is a long-term indoor/outdoor corrosion inhibitor for machined surfaces and assemblies subjected to long periods of storage or adverse shipping conditions. It is an easily removable film that will provide protection of all equipment subject to heat...

This Eaton XTD1A1A2 toggle switch is rated for 20 amp at 125 VAC, 10 amp at 277 VAC, 3/4 hp at 125 to 250 VAC, and has three switching positions (on, none, and off) with maintained switching action for sustained operation of the circuit. It is a single-pole, single-throw (SPST) switch with nickel-pl...

The Pyle PLMR17BT in-dash stereo radio headunit receiver features versatile Bluetooth wireless streaming abilities. Once connected to your speaker system, the unit's built-in microphone, along with Bluetooth connectivity, allow you to enjoy hands-free call answering. The incoming calls automatically...

Wind, waves, weather, and water demand the practiced art of seamanship "Planning and reacting to the unanticipated are the flip sides of seamanship. This blending of pre-voyage preparedness with effective on-the-water response is learned rather than inherent--together they define the art of seamansh...

More than ever, boaters need a single comprehensive reference that combines the best traditions of seamanship with cutting-edge practices, gear, and technology. That's why, for nearly a century, Chapman Piloting & Seamanship has remained the most respected and widely used guide for boating under pow...

Specifications: Beam: Spot-Flood Combo Operating Voltage: DC 10-30V Power: 180W (60 3W/pcs high density LEDs) Color Temperature: 6000K Lumen: 13200LM Lifespan: 30,000 hours above Waterproof Rate: IP67 Lens material: PC Housing Material: Die cast Aluminum Applications: Except for off road vehicle lig...

Features: green plug-in LED indicator, 8 pin, DC 12V coil DPDT power relay, used in automatic control system. Used widely in the remote control, communication, automatic control system, electronic equipment's, etc.