‧Woodworker/artist pencil lead refill
‧HB round lead resists breaking
‧Extra thick
‧5.66mm, about 7/32" D x 3-1/8" L
This extra thick (5.66mm, about 7/32" D x 3-1/8" L) HB round lead resists breaking. Sized to be held firmly in place by a four-jaw collet at the bottom of the woodworker/artist pencil .