StrongHold ESV6-ESV8-Q Contractor Grade Vinyl Insulated Step-Down Butt Splices are a reliable and economical option that withstand a wide range of general-purpose applications. They are designed to splice two solid or stranded wires together to repair or lengthen the wires. Accommodates 6 AWG to 8 AWG, are blue in color, and come in packages of 25.