Packaging Includes:
Cooling Fan Mount-1pcs
Belt Lock-1pcs
Cooling Fan 40x40x10mm-1pcs
Grade 12.9 Black Flat Head Screws 3×18-4pcs

Major advantages of upgrading to this part/product:
(1) The cooling fan mount and fan is made of 7075-T6 aluminum (32mm hole spacing, compatible with 40x40x10mm fan) and features a 316 stainless steel belt lock(12mm wide 0.6mm thick, accommodating motors with diameters ranging from 40mm to 56mm)

(2) Fan parameters: 8.4V, 0.65A, 15000RPM