Overview Reviews Product Description Hourglass Spacer - 0.313 in ID - 1 in Thick - Aluminum - Natural - Universal - Pair Product Videos Custom Field Product Reviews Write a Review Write a Review × Allstar Performance Hourglass Spacers 5/16inID x 1inOD x 1in Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *