1" PET Expandable Braided Sleeving- 250ft - Black Size: 1" | Length: 250 Feet | Color: Black Expansion Range: 5/8" to 1-5/8" Continuous operating temperatures of -103 F to 257 F, with a melt temperature of 446 F Made from Polyethylene Terephthalate, universal product used for home, office, automotive, computer, etc. Spool Length May Not be Continuous | These Hot Knives are recommended to cut to avoid the ugly fraying | http://www.amazon.com/dp/B01N5LT8PD