Description: brand new and high quality Material: ABS + metal Light Color: Black Feature: According to color and over distance to determine the quality of the coil. Can intuitively convenient to understand the operation of the coil. clip securely fastens to ground. Screw assembly adjusts for gap quickly and easily Avoid the coil burned out and so on. 　 Specification: Size: Size Length: 12cm (4.72in) Diameter: 2.2cm (0.87in) Cable length: 52cm (20.47in) Quantity: PC Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package includes: x Adjustable Coil Tester