isolation hemisphere mounts with pressure sensitive adhesive & urethane coating provides superior bonding strength that is easier to handle Their use can provide an effective solution to maximize a high level of device performance. The ISO-1H-30 Hemisphere Isolation Pads measures 30 mm in diameter and are 15 mm tall. AudioSerenity ISO-1H-30 provide excellent isolation between many combination of Hi-Fi Audio equipment. Speaker Feet AudioSerenity ISO-1H-50 Hemisphere Isolation Pads (Qty: 4) (Size: 50 Mm Isolation Feet Sorbothane Vibration Isolation Square Pad, 4x4, 2 Pack (30 Duro, 0.10 Thick) ; Returns. FREE 30-day refund/replacement ; Material. 30 Duro ; Brand. Isolate It Made from a carefully selected durable elastomer with an optimized shore hardeness to permit coupling whilst providing a secure base to reduce and absorb equipment vibration & resonance. The ISO-1H-30 Isolation Hemisphere measures 30mm in diameter and are 15mm tall. Rush Hemispheres Tour Slim Fit T-Shirt Black - Alternative Includes 3M adhesive backing.