Extruded and CNC-machined from 6061-T6 aluminum, Box One Stem Spacers feature an ultra-minimalist design that is super lightweight.
Weights range from 0.02 to 0.14 ounces (0.56 to 4 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from 1 to 20 millimeters.

Each kit includes the following spacers:

• (2) one millimeter
• (1) three millimeter
• (1) five millimeter
• (1) 10 millimeter