Ed Nester was a New Jersey climber sho died in a climbing accident in 1978. Around 1970 he made 35–50 pound-in, screw out ice screws. Tkere were two sizes, 7¼ and 8¼ in.

Summit Magazine
January/February 1971

↑ 376: Nester Super Screw; 7¼ in.

• Made in USA [ca. 1970].
• Weight: 95 g.
• Overall Length: 183 mm.
• Effective size: 150x9 mm.
• Conical tip and buttress thread.
• Steel.
• Stamped with "NESTER" and "SUPER SCREW" on eye strap.
• Ed Nester made only 35 to 50 these pound–in, screw out ice screws.
  He made in two sizes, 7¼ and 8¼ in.