Box two stem spacer kits

Extruded and CNC machined from 6061-T6 aluminum, Box Two™ stem spacer kits feature a lightweight design. Weights range from 0.24 to 0.29 ounces (6.7 to 8.2 grams), depending on size. They are sold in packs of five, offering spacing adjustments ranging from 1 to 20 millimeters.