The Hi-Seas Grand Slam Aluminum Sleeves are precision-engineered crimping components designed for building reliable monofilament leaders and rigs. Manufactured to exacting tolerances, these sleeves compress cleanly and consistently without cracking, creating secure connections that hold through aggressive strikes and hard fights.

Tournament-Grade Quality

Grand Slam sleeves deliver the performance serious anglers demand when targeting billfish, tuna, wahoo, and other gamefish. Each sleeve is manufactured from premium aluminum that crimps smoothly and holds securely, giving you confidence in every connection you make.

Available Sizes

Versatile Rigging Applications

Perfect for offshore trolling leaders, live bait rigs, wind-on leader construction, and tournament rigging. Whether you’re building ballyhoo spreads, wahoo leaders, or heavy tuna rigs, Grand Slam sleeves provide the reliability you need when it matters most.

Consistent Performance

Each sleeve is manufactured to tight tolerances that ensure consistent crimping performance. They compress evenly without splitting or deforming, creating strong, dependable connections that won’t fail when you hook the fish of a lifetime.

Ideal for: Offshore trolling, live bait leaders, wind-on construction, billfish rigging, tuna leaders, and tournament fishing