The longest hair in ang043 is just under 7 cm long, not including the root. For comparison, a cotton swab (Q-tip®) is approximately 8 cm long. (Update! The current record-holder is now 3.25", or around 8.3 cm.)
On average, forearm hair grows at a rate of about 1 cm per month.
The longest (lower back) hairs in ang005 are roughly 1.5" (4 cm) long.
Among Caucasians, blondes have (typically) 30% more hair follicles than brunettes, and 50% more than redheads.
If all the hairs on just one of Angel's arms were laid end-to-end they would span the length of three football fields (around 275 meters).