Features 1、Suitable for Futaba controllers and for JR some controllers 2、Long nut is for long handle switch and short nut is for short handle switch 3、Metal material is hard and has good strength, uneasy to deform 4、Plated layer is glossy and polished, uneasy to fade 5、Replacement part for you controller, which draws others' attention Specification Description: The metal upgrade part is perfect accessory for your controller. It includes 8 nuts and a wrench in a set. Note the difference when you installed. When you install, you need to install nut tool convex parts align on the nut groove, it can help install and dismantle. Features: Suitable for Futaba controllers and for JR some controllers. Long nut is for long handle switch and short nut is for short handle switch. Metal material is hard and has good strength, uneasy to deform. Plated layer is glossy and polished, uneasy to fade. Replacement part for you controller, which draws others' attention. Specification: Material: Metal Nut Size: Approx. 0.5 * 1cm / 0.2 * 0.4inch (Length * Diameter) Wrench Size: Approx. 2.5 * 1cm / 1 * 0.4inch (Length * Diameter) Weight: 10g Type: RC Part Package Includes: 8 x Nuts 1 x Wrench Package List