Non-slip and sandblasted surface, no wing, no burrs, and no scratches. Specifications:16.3mm/15.1mm/10.7mm/10.3mm/9.4mm/8.3mm/7.8mm/7.4mm/5.4mm. Applicable Model: for Lecia for. Due to the difference between different monitors, the picture may not reflect the actual color of the item.