Fits most 5" - 7" rubber squid skirts. made of super tough durable rubber great action in the water make great smoke trails great trolling lure great for sailfish Easy to make your own high quality trolling lures for a fraction of the cost 3D holographic eyes Cyclops 1.65" Offshore Trolling Heads (4 Pack) It's a sailfish slayer! Cyclops Offshore Trolling Heads are great for building your own trolling lures. Heads are made of nearly indestructible hard rubber. Fits most 5" - 7" rubber squid skirts. Skirts can be glued or tied on. Weight: .3oz Total Length: 1.65" 42mm Head Length: .92" 23.5mm Skirt area diameter: 16.3mm Head diameter: 22.3mm Fits 5" - 7" skirt