Product information Adapterfor mountingHEATKILLER®Tubeseries reservoir to mounting holes that are120x120mminsize.Perfect for mounting your reservoir to a radiator.Please notetheWatercool HEATKILLER® Tube - Basic Mounting Kit is required thisis available separately.Technical specifications: Dimensions (LxWxH):120x 15 x 10 mm Material: POM (ACETAL) Color: Black