Block sized versions of our popular campus rungs. Great for system walls, home woodies, or any place you need screw-on holds. Custom tooling gives the blocks a comfortable, smooth shape. Finger-friendly texture for endurance sessions. Each rung has an incut side and a flat side. Available in sizes small to 3XL for beginners through experts. Blocks are pre-drilled and include mounting hardware. Easy, screw-on installation. Each size packaged as set of 2. Length: 5" (12.7 cm)