Fangrui Product Details *key Features *8 Pcs Coil Kit- This Induction Coil Kit Includes Seven Most Commonly Used Preformed Diameter Coils And One Free Coil To Remove Rusty Bolts And Fits A Wide Range Of Applications. 8 Pieces: 2 X 4/5"(20 Mm), 2 X 1-1/5" (30 Mm), 2 X 1-3/5" (40 Mm), 1 X 2" (50 Mm). Free Forming Coil Measures 31-1/2" (800 Mm). *long Lifespan- Each Coil Can Resist Overheating And Premature Wear. They Are Durable Enough To Be Used Multiple Times. *great Flexibility- These Induction Coils Are Flexible And Can Be Bent For Various Purposes To Meet Different Requirements. *advanced Insulation- These Coils Are Insulated For Protection And Coated To Resist Abrasion. If The Insulating Layer Is Damaged, With A New Coil. *high-efficiency- The Induction Coil Kit Is Electroplated To Prevent Oxidation And Ensure Proper Contact For Optimal Performance. *specifications Model: 8pc71ll Product Type: Induction Coils Item Weight: 1.43 Lbs / 0.65 Kg Package Dimensions: 12.01" X 7.99" X 2.36" *package Contents 2 X 4/5" (20 Mm) 2 X 1-1/5" (30 Mm) 2 X 1-3/5" (40 Mm) 1 X 2" (50 Mm) 1 Free Forming Coil Measuring 31-1/2" (800 Mm)