Screw Hex. 1,20 mm compatible with 3I Certain® Sale! from 1530 /per Pack Single 10-Pack Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Screw grade V ELI designed specifically for 3i Certain® for NP/RP/WP platforms. SKU:19.011 Tweet