I am selling custom cut lengths off a bulk roll of 600 ft remaining selling in units of 2 ft if you enter the quantity of 10 you will get 20 ft at $1.60 per 2' Unit so 10 X $1.60 per unit would be $16 for 20 ft. Security & sound,#18-4c,BC, Shielded,CMP security and sound cable stranded bear copper conductors with flame arrest insulation beldfoil shield flamarrest jacket with ripcord.