x Kluson Milled Aluminum, Steel, Or Brass Sustain Block For Vintage Tremolos How do you rate this product? 0 1 2 3 4 999 characters left Would you like to add images to your review? Please make sure that each image that you upload is at least 600 pixels wide by 600 pixels high. Upload Image x Would you like to add videos to your review? Only YouTube videos are currently supported. Simply paste the URL for the YouTube video into the field below. x By checking this checkbox, I agree that Kluson can use any of my provided image(s) or video(s) inside of their website.