3M Scotchlok color coded grease filled butt connector ensures an ideal fit while offering reliable and safe performance. The moisture resistant connector has a nylon insulated, butted seam barrel and withstands temperatures of -40 to 221 deg F (-40 to 105 deg C). Copper construction offers good conductivity and a tin plated finish resists corrosion. 3M Scotchlok grease filled butt connector is color coded for quick and easy identification of the wire size required. It has a butted-seam barrel that is covered by a funnel designed, seamless brass sleeve to guide the wire into position. The abrasion resistant, flared, nylon sleeve insulation ensures positive grip and has a stepped design for mistake proof crimping. RoHS 2011/65/EU Compliant.