Finally, the perfect board-breaking training partner! This sturdy steel frame structure is strong enough to withstand your toughest breaks and remain in place. The holding mechanism is constructed to tightly secure the board with its jaw-like assembly. The Board Breaker features 10 "board plane" angle adjustments and 11 height adjustments that give a 360 degree rotation in 45 degrees increments. The structure holds up to five standard 1" pine boards or 5 re-breakable boards and is able to hold up to 300 lbs. of standard weight and can be bolted to flooring for more stability.