Machined aluminum spacers for tuning stem height Anodized colors to customize your cockpit Each 1-1/8" kit includes: (1) 2.5mm, (1) 5mm, (1) 10mm and (1) 20mm per color SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} ID 1-1/8" Size 2.5mm, 5mm, 10mm, 20mm Color Black Package Set/4