Check audiogon "mfg directory" for email address. Contact Steve at Herbie's. Depending upon the weight of the speaker these elastomer feet will remove vibration and not stain wood floors. I'm using his "Combat Boots" on a pair of Von Schweikert dB99's 100lbs ea. Smaller footers work great on components. They are terrific!
Jack
www.esotericaudiovideo.com
Jack
www.esotericaudiovideo.com