Delkin DDMNT-STK-IT Fat Gecko Stick-It Discs, 2-Pack (Silver) Adhesive Disc Creates a Smooth, Mountable Surface for any Suction Cup Based Mount with a Diameter up to 4" - a Perfect Accessory for Delkin Fat Gecko Suction Mounts Sticks to Concrete, Stucco, Paint, Plastic, Metal & Other Surfaces that Suction Wouldn't Normally Adhere to, with High Conformability to Textured Surfaces Each 4" (Diameter) Stick-It Disc is Rated to Hold up to 5 Pounds Temperature Rated up to 300F Single Use & Permanent Adhesive Disc Creates a Smooth, Mountable Surface for any Suction Cup Based Mount with a Diameter up to 4" - a Perfect Accessory for Delkin Fat Gecko Suction Mounts^ Sticks to Concrete, Stucco, Paint, Plastic, Metal & Other Surfaces that Suction Wouldn't Normally Adhere to, with High Conformability to Textured Surfaces^ Each 4" (Diameter) Stick-It Disc is Rated to Hold up to 5 Pounds^ Temperature Rated up to 300 Degree F^ Single Use & Permanent