BLOX Racing extended wheel studs are manufactured from high-strength alloy steel. These extended wheel studs are designed and intended to be used with BLOX Racing open-ended lug nuts on racing slicks, or when wheel spacers are required.BLOX Racing single-piece wheel studs are available and are ideal for replacing a few studs.SpecificationsThread pitch: 12x1.5mmKnurl-end: 12.25mmLength: 82.5mmNoteSpot-welding is highly recommended after installation