welcome to our shop high quality. Slip coil designQuick allows quick coil changes. As spare parts. silver. material: metal. type:SZ1:GT mehs 0.18ohmSZ2:GT2 0.4ohmSZ3:GT6 0.2ohmPackage Contents: 5 spare coils. Package contents are top only and do not include other products. NOTE: Lighting and different monitors may cause the color of the item in the image to differ slightly from the actual item. The allowed measurement error is +/- 1 to 3 cm. If you have any questions, please contact us directly and we will get back to you as soon as possible.