Features: Durable Material: The guitar footswitch cover is made of quality aluminum alloy material, and with a glossy surfaces, lightweight, and can be used for a long timing. Protective Function: Pedal knobs caps bright color make it easier to hit your target, and provide full protection for your effects pedal switch to reduce wear and tear. Easy to Install: Fix the metal button on the switch, the internal pre-install hole can increase the preload, use a wrench to tighten the screw, and the installation is simple.. Size: The diameter of this foot switch top hats is 24mm, the height is 12mm, and the inner hole diameter is 10mm, which is very suitable for most foot switches. Application: Guitar effect footswitch foot nail cap is smooth surfaces, suitable for guitar effect pedal. It is easy to fix on the foot switch, and the footsteps are more comfortable. Specifications: Material: Aluminum Alloy Color: Red/Golden/Silver/Black/Blue Package Weight: approx.15g Diameter: approx.24mm/0.94in Thickness: approx.12mm/0.47in Inner Hole Diameter: approx.10mm/0.39in Package Includes: 1 x Guitar Effect Pedal Knobs Caps Kits note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!