Specification Brand : Heyiarbeit BulletPoint1 : [Size]- Jaw Open: 20mm/0.79"(Max); Rated Current: 30A; Contact Material: Copper plating BulletPoint2 : [Advantage]-These alligator clips are spring-loaded jaws, once clamped, they won¡¯t fall off easily;The clips make it easier to grasp the battery you are trying to read, allows hands-free testing, great for remote spaces BulletPoint3 : [Features]- These alligator clips are very durable, can be used for a long time, and are easy to disassemble and easy to operate BulletPoint4 : [Application]- Mainly used in electric circuit, automotive; will a best smart choice for electric engineer and electric DIY lovers. BulletPoint5 : [Package Content] -10pcs(5pcs red and 5pcs black) x Alligator Clip Color : Black ExternallyAssignedProductIdentifier : 6083504632780 ExternallyAssignedProductIdentifier1 : 843441118220 ExternallyAssignedProductIdentifier2 : 0843441118220 ExternallyAssignedProductIdentifier3 : 00843441118220 IncludedComponents : Spring Clamps ItemName : Heyiarbeit 10Pcs 30A Heavy-Duty Insulated Alligator Clips,Battery Electrical Test Clips for Car Auto Vehicle Boat Red and Black ItemPackageDimensions_Height : 12.1 centimeters ItemPackageDimensions_Length : 3.8 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : spring-clamps Manufacturer : Heyiarbeit Material : Copper Material1 : Metal Material2 : Rubber ModelName : Spring Clamps ModelNumber : DFY5400GP0614 NumberOfItems : 1 PackageLevel : unit PartNumber : DFY5400GP0614 ProductDescription : Description: 1.Powerful spring pulling the min hooks to grasp tiny components firmly and avoid any short-circuit. 2.The contact material is copper plating , which has good electrical conductivity;the insulating cover is made of high-quality insulating materials and has a long service life. 3.Alligator clips is a good choice when you need a third hand or have to test many circuits sequentially;These spring-loaded clips are widely used in light electrical,DIY projects, appliances, electronic products and circuit boards.