Tension Block Glenn Johnson ball sizes may vary slightly

ball sizes may vary slightly

This buckle never slips

Padded with foam and heavy Cordura bottom

4 feet (5m) length

climbing coach Kris Hampton

Tension Block Glenn Johnson ball sizes may vary slightlyThe Block might be the single most useful block of wood weve ever made. Simply put, its a block of wood with an assortment of edges, pinches, pockets, and little crimps. Once you start using it youll realize that there is a lot more than meets the eye. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine, pull against your own foot, combine with resistance bands the possibilities are