Thermal Grizzly Minus Pad Basic Thermal Pad - 120 x 20 x 3.0 mm 4pcs. Thermal Grizzly Minus Pad Basic 4pcs, 120 x 20 x 3.0 mm, Good Thermal Conductivity, Low Compressibility, Non Conductive. The electrically non-conductive Minus Pad Basic thermal pads are part of the Minus Pad Basic, Advance, and Pro series.