Made in USA Shrink Ratio Diameters Operating Temperature Colors 2:1 3/64” through 4” –67°F to +275°F (–55°C to +135°C) Standard: Black, Blue, Clear, Green, Red, SAE-AMS-DTL-23053/5, Spools, Pieces in lengths up to 4’, Kits White and Yellow Class 1, 2; UL; CSA; ABS 2:1 1/8” through 2” –67°F to +230°F (–55°C to +110°C) Standard: Black Also can make: Blue, Clear, Green, Red, White and Yellow 3:1 1/8” through 1 1/2” –67°F to +230°F (–55°C to +110°C) Standard: Black and Red Also can make: Blue, C