Micro Holds are small bolt-on holds. They attach with flathead bolts allowing for a low profile. Micros make great footholds on almost any angle wall and many of the Micro shapes make excellent handholds, especially on low angle walls. Micros make great footholds on almost any angle wall and many of the Micro shapes make excellent handholds, especially on low angle walls.

They are called micro holds but they are really just small.

This set comes with 3/8mm T nuts and bolts. 

Incredible Value