Specification Brand : PONFY BulletPoint1 : HIGH QUALITY: Female and male terminals are made of brass, and the insulating sleeve is made of nylon, which has high conductivity and oxidation resistance. BulletPoint2 : VARIOUS SIZES: Male and female spade connectors comes with three different sizes (2.8mm 4.8mm 6.3mm) are perfect for 22-14 gauge wire, different sizes can meet your different needs. BulletPoint3 : EASY TO USE: White and transparent insulating sleeve matching crimp terminal ,safe to use. Male female spade connectors are easier to use and inspect. Just crimp and/or solder to your wires and cover with a nice high-quality heat-shrink for a clean, solid, and professional connection. BulletPoint4 : WIDE APPLICATIONS: Spade wire crimp are easy to clean and widely used to speakers on van, home appliances, car/boat speaker, auto, audio system for battery or rocker switch quick connecting / disconnecting. BulletPoint5 : PACKAGE INCLUDED: The kit include 2.8mm/4.8mm/6.3mm male and female crimp terminal connector block 210pcs and 105pcs insulating sleeves, total 315pcs packed in a plastic box, Sufficient quantities to meet your daily use. Color : Gold & Transparent ConnectorType1 : Crimp ConnectorType2 : Spade ItemName : PONFY 315PCS 2.8/4.8/6.3mm Quick Splice Male and Female Wire Spade Connector Crimp Terminal Block Assortment Kit with Insulating Sleeve for Electrical Wiring Car Audio Speaker ItemPackageDimensions_Height : 19.812 centimeters ItemPackageDimensions_Length : 2.8956 centimeters ItemPackageDimensions_Width : 12.2936 centimeters ItemTypeKeyword : spade-terminals Manufacturer : PONFY Material1 : Brass Material2 : Nylon MeasurementSystem : Metric NumberOfItems : 315 PartNumber : 9YDB4008-US ProductDescription : Specifications: Color: Gold & Transparent Material: Brass + PE 6.3 Type: Inner diameter: 6.3mm, thickness: 0.4mm(male),0.8mm(female), compatible wire: 0.75-2.5mm(AWG 18-14) 4.8 Type: Inner diameter: 4.8mm, thickness: 0.35mm(male),0.5mm(female), compatible wire: 0.75-2.5mm2(AWG 18-14) 2.8 Type: Inner diameter: 2.8mm, thickness: 0.25mm(male),0.5mm(female), compatible wire: 0.5-1.5mm2(AWG 22-16)