High quality products We created the heat shrink wire connector with the highest quality of copper and PE so your installation after that will be well sealed. Furthermore we assorted different crimp terminals size and forms so you can do a lot of different installation. Durable We made durable insulated crimp terminals for a better and safe result especially if you work outdoor (marine and automobile use). Easy to carry The crimp terminals assortments come in a plastic case for an easy access and find easily the right pieces. Specifications Low-frequency applications Cable Interface type AC / DC Shape Round cable length 1 (mm) Fire retardant / flame retardant, contacts material copper Material: Copper + PE Operating temperature: -55 ¡æ -125 ¡æ Start shrink temperature: 80 ¡æ Fully shrink temperature: 130 ¡æ Multicolors Package contains CoZroom 250pcs Heat Shrink Wire Connector Set: 40 PCS.RED 22-18 ga. HEAT SHRINK RINGS #10, 1/4", 5/16" & 3/8" 20 ea. 20 PCS RED 22-18 ga. HEAT SHRINK BUTTS 20 PCS.RED 22-18 ga. MALE AND FEMALE QUICK DISCONNECTS 20 10 PCS.RED 22-18 ga. SPADE TERMINALS "FORKS" FOR STUD SIZE #10 40 PCS BLUE 16-14 ga. HEAT SHRINK RINGS #10, 1/4", 5/16" & 3/8".20 ea. 10 PCS BLUE 16-14 ga. HEAT SHRINK BUTTS 20 PCS.BLUE 16-14 ga. MALE AND FEMALE QUICK DISCONNECTS .20 ea. 10 PCS.BLUE 16-14 ga. SPADE TERMINALS 'FORKS" FOR STUDE SIZE #10 40 PCS.YELLOW 12-10 ga. HEAT SHRINK RINGS #10, 1/4", 5/16" & 3/8" .20 10 PCS.YELLOW 12-10 ga. HEAT SHRINK BUTT CONNECTORS 20PCS.YELLOW12-10 ga. MALE AND FEMALE QUICK DISCONNECT.20 ea 10PCS.YELLOW 12-10 ga. SPADE TERMINALS "FORKS" FOR STUD SIZE #10