In our "540 PCS Heat Shrink Wire Connector Kit" Wirefy is offering most versatile heat shrink connector kit on the market. In this kit we included extensive selection of 8 connector types: forks, rings, hooks, spade, quick disconnects, butt splices in 3 sizes: red, blue and yellow. Butt connectors are waterproof. Ring, fork, hook and spade connectors are water-resistant. <br/><br/> This assortment will supply you with high quality crimp terminals that will last for numerous wiring projects. Whether you are working on your boat, vehicle, home or scientific project, our heat shrink wire connectors will ensure strong crimps, increased current flow and weatherproof connections every time!<br/><br/>Specifications:<br/>--Dual-walled heat shrink tubing design: polyolefin tubing on the outside and hot melt adhesive on the inside<br/>--Tubing shrinkage ratio 3:1 <br/>--Copper crimp barrels <br/>--Wire gauge imprint on the connectors <br/>--Cmpliant with ROHS, ISO 9001:2008, SGS and CE standards <br/>--No wire damage due to lower shrink temperature <br/>--Minimum shrink temperature: 80°C <br/>--Full recovery temperature: 130°C <br/>--Operating temperature: from -55°C to 125°C <br/>--Reusable case included