Extrusion Head / F123 Stratasys Sale! from 97700 /per Select a Type: ABS / ASA / PC-ABS PLA Qty. Add to Cart SKU: 123-00401-S Tweet System Compatibility F123 Series - F120 F123 Series - F170 F123 Series - F270 F123 Series - F370 F370 – Elastomer The standard head used for ABS, PC-ABS, ASA, DIRAN, ABS-ESD7 & QSR.