Thank you for viewing. This item is 3D printed. It allows you to sandwich a BOSS effector with an adapter and secure it to a board with Velcro. You can fix the effector to the effector board without attaching Velcro directly to the effector itself. Effectors without an aluminum plate on the knob will have some play equivalent to the thickness of the aluminum plate. Set Contents ・Adapter left and right set x 1 set ※Effector body, Velcro, etc. are not included. Material: PLA Color: Black How to Use 1. Attach Velcro to the bottom of the adapter. 2. Sandwich the effector. 3. Place it on the effector board. The product may have burrs, layer lines, stringing, chipping, and marks from removing support material. Please be aware of this. It will be shipped in simple packaging. If you would like to purchase multiple items, please contact us. We will offer a small discount only for multiple purchases. Please purchase after you are satisfied to avoid any trouble. If you have no questions, you can purchase immediately. Thank you. #BOSS #Effector #CompactEffector #EffectorBoard #Velcro