Crewsaver Crewfit+ 180N Pro Automatic with Harness and Spray Hood snap shackle They are screw-out type and

They are screw-out type and they have an "O" ring lid seal

Length (mm) 46 mm Length (in) 1 13/16 in Width (mm) 65 mm Width (in) 2 9/16 in Weight (g) 56 g Weight (oz) 1

Sewing resistance: 3 tons

it is safe for use on paint

Crewsaver Crewfit+ 180N Pro Automatic with Harness and Spray Hood snap shackle They are screw-out type andThe refined Crewfit+ 180N Pro is a paramount safety solution which doesnt compromise on safety, style, comfort or price. Ideal for your everyday recreational boater. This everyday boating lifejacket provides the ideal solution for those looking for a compact, lightweight lifejacket without compromising on in water performance. First choice for those who require the safety of a lifejacket in high performance, short distance yacht racing environment.