Specification Brand : Hilitand BulletPoint1 : 【HIGH QUALITY】These transistor washers are made of high quality plastic material, which have long service life. BulletPoint2 : 【CONVENIENT】Each set contains many flat washers that can be used for a long time, so you don't have to run to hardware store looking for washers for quite a while. BulletPoint3 : 【APPLICATION】The main function of transistor washer is thermal insulation, it is suitable for crystal power tubes, diodes and transistors where heat dissipation and insulation are needed. BulletPoint4 : 【GOOD FEATURE】These washers are characterized in good insulation, light weight, anti-rust, resistance. BulletPoint5 : 【SATISFACTION GUARANTEE】 We care for every customers feeling.If this product does not meet or exceed your expectations,please send it back for a refund no questions asked. BulletPoint6 : 20 pieces per retail package Color : Zinc CompatibleGrooveDiameter : 0.469 inches ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 6180551474414 ExternallyAssignedProductIdentifier1 : 724942178886 ExternallyAssignedProductIdentifier2 : 0724942178886 ExternallyAssignedProductIdentifier3 : 00008236700473 FinishType : zinc yellow GpsrSafetyAttestation : 1 GradeRating : industrial ItemDisplayDimensions_Length : 5 centimeters ItemName : Hilitand 100pcs Bushing Washer, Insulated Plastic Spacer Transistor Washers Kit(TW-6(100pcs)) ItemPackageDimensions_Height : 8.001 centimeters ItemPackageDimensions_Length : 4.3942 centimeters ItemPackageDimensions_Width : 4.8006 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : flat-washers Manufacturer : tanus Material : Plastic Material1 : Metal Material2 : Plastic Material3 : abs_(acrylonitrile_butadiene_styrene) Material4 : Nylon MaximumShearStrength : 44000 psi MetalType : Aluminum MetalType1 : Alloy Steel MetalType2 : Carbon Steel MetalType3 : Low Carbon Steel ModelNumber : 43880 NumberOfItems : 20 NumberOfPieces : 100 PackageLevel : unit PartNumber : Hilitand94yuo5xzwh-01 ProductDescription : Description: Transistors washer also known as insulation particle, plastic washer. Transistors washers are electronic plastic parts series, mainly used to lock on the transistors, to avoid short circuit between the transistor shell and the radiator.