141 different string choices from October 1989 (Tennis Magazine)
AG 16, 17 or 19
AG Fantasy
AG Fantasy Fireworks
AG Fantasy Lite
AG Gold
AG Gold Plus
AG Hybrid
Alpha Elite
Alpha Magic Seven
Alpha Strings
Alpha Ultra Spin
Alpha Winning Edge
Ashaway Crossfire
Ashaway Crossfire II
Ashaway Super Nick
Ashaway Super Nick XL
Ashaway Syngut
Ashaway Tricore 710
Babolat Fine Play
Babolat VS Gut Africord
Babolat VS Gut Midsize
Babolat VS Gut Progressive
Babolat VS Gut Spiral
Babolat VS Gut Topsize
Babolay VF Syn
Black Graph
Blue Star Fibergut 16
Blue Star Nova
Blue Star Nylgut
Blue Star Original
Blue Star Serve and Volley
Blue Star tComp
Boris Becker Super
Bow Brand "Lendl" Gut
Bow Brand Edberg (Natural Gut)
Bow Brand Hybrid (Natural Gut)
Bow Brand Maxi (Natural Gut)
Bow Brand Micro
Bow Brand Reflex
Bow Brand Super Spin
Bow Brand Synthetic Gut
Corde Naturel
Donnay Flex
Donnay Syn
Dunlop Syn Gut
Edberg Superspin
Edberg Tournament Micro
Gamma Boron
Gamma Graphite
Gamma Gut 1, 2 & 3
Gamma Gut 1000
Gamma Gut Pro
Gamma Gut XL
Gamma Hi-Tec Grip
Gamma II
Gamma III
Gamma Marathon
Gamma Pro 18
Gamma Ruff
Gamma XL Square
Gamma Zyex
Gamma Zyex
Gamma Zyex 2
Gamma Zytex 2
Gosen OG Sheep Micro
Gutex
Head Durabrite
Head Hot Shot
Head Limelight
Head Redline
Head T-20 Elite
Head Tournament 20
Leoina 66
Leoina 66 Graphite
Leoina 77
Leoina Big 110
Leoina Bio
Leoina Geo 66
Leoina Geo Gold
Leoina Horn S
Leoina Kelvar
Leoina Pearl Leiser
Leoina Spin-X
Leoina Super UFO
Leoina Toalson
Leoina UFO
Major Black Gold
Major Gold
Marathon Widebody
NRC Nylon
Pacific "McEnroe" Gut
Pacific Classic (Natural Gut)
Pacific Tournament (Natural Gut)
Pacific Tournament Pro (Natural Gut)
Prince Endurance
Prince Nylon
Prince Placement
Prince Premiere (Like Gut)
Prince Prism
Prince Pro Blend
Prince Quadratech
Prince Stoplight
Prince Syn Gut
Prince Topspin
Rainbow
Red Pro Plus
Super Tuff Tite
Technifibre 315, 416, 515, 625
Tenex (Natural Gut)
Tenex Hy Kev 200
Tenex Kelvar
Tenex Nylon Plus
Tenex Poly Plus
Tenex Quad X
Tenex Spectrum Plus
Tenex Super Spinn 2
Tenex Synthetic 17
Tenex Synthetic Gold
Tenex Ultra 19
Tenex Zyex
TOA Gold
TOA Zyex
Tuff Tite
Ty International
Wilson Championship Nylon
Wilson Performance ET
Wilson Performance PLus
Wilson Performance Plus Spin
Wilson Profile
Wilson Syn Gut
Winbledon Syn Gut
Winn encore
Winn Encore Syn
Winn Gutex
Winn Gutex Graphite
Winn Gutite
WTX Boron
WTX Gold
Yamaha Syn Gut
Zyex
Zyex Super Pro