25 socket connectable (end-to-end plug)heavy duty string lights available with e17 base and e27 base on both black and white wire. The e17 have 12" spacing (25 feet long) and use a C9, G50 or S11 bulbs and the e26 have 18" spacing (37.5' feet long) and use the s14 bulbs that are available in both LED and incandescent.
25' Brown Commercial Grade Light String Candelabra Base
25' Brown Commercial Grade Light String
25' Suspended Brown Commercial Grade Light String
25' Suspended White Commercial Grade Light String
25' White Commercial Grade Light String Candelabra Base
25' White Commercial Grade Light String
37.5' Long Brown Commercial Grade Light String e26 Medium Base
37.5' Long White Commercial Grade Light String e26 Medium Base
25' Black Commercial Grade Light String Candelabra Base
25' Black Commercial Grade Light String
25' Suspended Black Commercial Grade Light String
37.5' Long Black Commercial Grade Light String e26 Medium Base