The Complete Diver: The History, Science and Practice of Scuba Diving is a comprehensive guide to the sport of recreational scuba diving. It is an important book not just for beginning divers and instructors but also for all who are interested in diving, marine science and ocean exploration. The Com...

This silicone O-ring is red in color, round in shape, has a durometer of 7OA, and is designed for use in a wide variety of sealing applications. Silicone is acceptable for temperature applications between -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C). It has good resistance to ozon...

Maintaining that there is little preventing one from cruising the world by boat, this book provides practical ideas for turning one's dreams of life at sea into reality, with suggestions for preplanning and simplifying one's life.

20 pcs of 3/16" inverted flare brake line nut. 3/8"-24 thread.

Oil that lubricates and cools the engine is picked up by the engine's oil pump, cleaned by the oil filter, and reused. It is vital that any dirt or contamination picked up by the circulating oil be removed before it is pumped back into the engine.

This version of the Anchor Lock does not include a separate mount and is designed to be permanently fixed to you boat. Easy lock and release action allows anchor line adjustments with only one hand. For use with rope up to 1/2" diameter. Tough construction and roller bearing for smooth, quiet operat...

The Sierra 18-8108 Hose Barb is interchangeable with the following: Mallory 9-38022. Each Sierra product meets or exceeds the original equipment part it replaces. Barb Size: 3/8" or 9.53mm; NPT Size: 3/8" or 9.53mm; Connection Type: Male.

Boat part number 1074793 is a new Black Max series, 15 1/4 X 15P, 3 blade, aluminum, right hand from Mercury Marine, part number 48-78116A45 . This is a new 15 1/4 X 15P, 3 blade, aluminum right hand propeller with a high gloss Phantom Black finish. Includes a 15 spline Mercury Flo-Torq II hub kit,...

Heavy sturdy Polypropylene construction. Racks can be linked together with ease (image below), to create a rack as big as needed, easy to link and de-link. Each side numbered for easy identification of tubes. Autoclavable. Rack Dimensions: 6.62inch(170mm) x 3.75inch(90mm) x 1.89inch(48mm)

Stainless steel self draining recessed cup holder ;Install almost anywhere; table, counter top, dashboard, seat back, etc. brand new in the package Marine Grade Stainless steel cup holders two stage to accomodate several different drink sizes and shapes very high quality and used by several of the t...

The DEWALT DCK286D2 20V MAX XR Lithium Ion Brushless Compact Hammerdrill & Impact Driver Combo Kit (2.0Ah) features DEWALT brushless motors which deliver up to 57% more run time over brushed and the XR Li-Ion batteries with fuel gauge provide 33% more capacity over standard packs. The DCD795 20V MAX...