HEATSINKS FEATURES Code ZD-71 Dimensions: Bases 68,80mm - Height 80,00mm Weight per Meter: 4,067 Kg. Code ZD-72 Dimensions: Bases 68,50mm - Height 107,80mm - Thicness central nucleus 2mm Code ZD-73 Dimensions: Bases: Top  200mm.  Down 180mm. - Height 80,00mm Code: ZD-75 Weight: 0.238 kg Cover: According to the dimensions of the profile, them can make or not (depending on the customer's need) with the 4 holes in the 4 points. Comment: In this profile, you can change the length and width of the base. You can also change the height, according to customer's need. Code ZD-76 Weight: 0.323 kg Cover: According to the dimensions of the profile, them can make or not (depending on the customer's need) with the 4 holes in the 4 points. Comment: In this profile, you can change the length and width of the base. Code ZD-77 Weight: 0.370 kg Cover: According to the dimensions of the profile, Them can make or not (depending on the customer's need) with the 4 holes in the 4 points. Comment: In this profile, you can change the length and width of the base.