In VERSA-LOK’s unique system, pins are inserted in the holes of an upper unit and tapped into receiving slots of two lower units. Top-pinning makes installation easy because the units do not have to be lowered onto pins. Instead, pins are placed in units after the units are set near their final position.
VERSA-TUFF pins are used with VERSA-LOK Standard, Cobble and Square Foot retaining wall units. They are 6.8 in. tall and 0.48 in. in diameter. Two pins are used per unit.