They help a bunch...nice to hold an object with both hands while looking at it..
Great pin pointer from Garrett and Metal Detecting Stuff is my #1 source for products. Excellent service
Tekin carbon-fiber fan grills help keep large debris away from high-speed cooling fan blades. Each cover includes mounting hardware and shims.
30mm: Fits Tekin TT3861 and TT3862 30x30x10mm high-speed fans.
40mm: Fits Tekin TT3864 40x40x10mm high-speed fans.
Fan not included.