StrongHold ESV14-ESV18-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 16-14 AWG to 22-16 AWG, are blue in color, and come in packages of 25.