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 degrees F (-40 to 105 degrees 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.