500,000 Spear Tip (image) Arizona State University Caption This is a ~500,000-year-old point from Kathu Pan 1. Multiple lines of evidence indicate that points from Kathu Pan 1 were used as hafted spear tips. Scale bar = 1 cm. Credit Jayne Wilkins Usage Restrictions Image may be used to illustrate coverage of this research only. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.