Metolius Screw-On Climbing Footholds Set of 20 Screw-On Footholds packaged in a plastic bag with header card Super-technical, low-profile footholds that attach to wooden walls with self-drilling screws Go where bolt-on holds won't Includes mounting hardware Foot holds vary- average size is 1"x1.5" (Note: these are small low profile holds intended for super-technical use)