Backplate Bracket - TOOGOO(R) 2pcs CPU Heatsink AMD Bracket Backplate for LGA 1155 1150 Motherboard Product Name : Backplate Bracket for LGA 1155 1150 1156 Motherboard Screw Hole Diameter : 2.5mm/0.1" Screw Hole Center Distance : 7.5 x 7.5cm/ 3" x 3"(L*W) Total Size : 8.7 x 8.7 x 0.8cm/ 3.6" x 3.5" X 0.3" (L*W*H)