Dark Matter Disc 4XL 21in External MFG This is the highest-profile of

This is the highest-profile of the 21" Mass Slopers screw and is a perfect half-sphere hold

This is the most high-profile and positive hold in this set of 3 screw-on holds

and wild - The Doses are an all around good time

This set of five modular pinches spans the gap between the original Blockus series and the new Blockus Dots

Whether you're a beginner or an experienced climber

Dark Matter Disc 4XL 21in External MFG This is the highest-profile ofThis 21 inch Dark Matter Disc is simple and versatile. Being a complete, perfect circle, it is designed to stack and nest along with the other 21 inch shapes in the Shade Theory, but can be used independently as well. This hold works best when used with more of the other Dark Matter Series and Shade Theory holds. This hold is screw on only and made from wood.