Heat shrink ratio: 3:1Temp.Rating:-55 to +125Voltage Rating:600V6 Color: Yellow Blue Black Green Red White. 6 SIZE&102 PCS(Quantity+Diameter+Length)36 pcs 3.2mm*60mm24 pcs 4.8mm*60mm12 pcs 6.4mm*60mm 6 pcs 7.9mm*90mm12 pcs 9.5mm*120mm12 pcs 12.7mm*120mmTotal 102 pcs with 1 x Plastic Box for Storage. DUAL WALL TUBING-Thin adhesive inside liner. When heat is applied, adhesive comes out and seals the connection, creating waterproof and long-lasting insulation. DUAL WALL TUBING- Outer wall provides abrasion resistance.perfect for electrical insulation, cable joints and daily repairs, wire bundling, mechanical protection. Easy to Use: Just slide the heat shrink tube on your connection point and apply heat (you can use a heat gun, hair dryer or lighter for heating). A professional connection can be established in a matter of seconds. Color: as pictured Quantity: 1 set of 102 pieces