Specification Brand : ROCKDIG BulletPoint1 : Package includes 100pcs 22-16 Gauge Ring Connectors for 3/8 inch screw, and 100pcs Heat Shrink Tubings. BulletPoint2 : The ring connectors are made from 99.9% high purity T2 copper and produced with thick barrel to achieve maximum current flow. The surface is matte tin plated for enhanced corrosion resistance, easy to crimp and solder. BulletPoint3 : The heat shrink tubings will shrink to 1/3 of its original size, heat activated adhesive inside it seals the electrical wire ends. BulletPoint4 : To use it please strip the wire into the connector, make a crimping or soldring, then apply heat, and you will get a secure and durable connection. BulletPoint5 : The heat shrink connectors are widely used for any electrical application like marine, auto, home, audio, radio, etc. Color : Red ConnectorType : Crimp ItemName : RockDIG 100PCS Separated Heat Shrink Ring Connectors Electrical Wire Crimp Termianls (Ring 3/8", AWG 22-16) ItemPackageDimensions_Height : 9.0932 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 8.9916 centimeters ItemTypeKeyword : ring-terminals Manufacturer : RockDIG Material : Copper MaximumVoltage : 600 volts MeasurementSystem : Inch and Metric ModelNumber : HSTRF100 NumberOfItems : 100 OperatingVoltage : 600 volts PartNumber : HSTRF100 ProductDescription : RockDIG 100 Pairs Seprated Heat Shrink Connectors. Material: 99.9% pure copper, PE. Finsh: Matte tin plating. Rated temperature: 221°F (105°C). Rated voltage: 600 volts. Package includes: Ring connectors --- AWG 22-16 3/8 inch(stud size) --- 100 pcs; Heat shrink tubings --- AWG 22-16 3:1 dual wall(Red) --- 100 pcs. ProductSiteLaunchDate : 2021-09-10T04:28:20.507Z Size : Ring 3/8“ SpecificationMet : UL StudSize : 3/8 inch Style : AWG 22-16 Red TemperatureRating : 221 degree fahrenheit TerminalType : Ring Terminal UnspscCode : 39121400