Do-It Weighted Hook Jig Mold 5/16, 3/8, 7/16oz

The Do-It Weighted Hook Jig Mold is a three-cavity injection mold designed for anglers who want to cast their own soft-plastic swimbaits and jigs. This mold lets you pour multiple weight options—5/16, 3/8, and 7/16 ounce—in a single tool, giving you flexibility to match different water conditions, depths, and target species without buying separate molds. If you tie your own lures or want to experiment with custom plastics and hook combinations, this mold adapts to your workflow: choose your plastic type, select your hook, and produce baits tuned exactly the way you fish them.

Do-It's geometric design philosophy emphasizes balance and hook-set geometry, so your finished baits track true and respond predictably in the water. Whether you're building swimbaits for bass, pike, walleye, or saltwater species, the three-cavity setup keeps production efficient—you can knock out a matched set of different weights in a single pour.

Lure molding lets you match colors to local forage, experiment with action and weight combinations, and build inventory without the markup of off-the-shelf baits. This mold is built for serious DIY anglers and tournament guys who want consistency and control over every lure that leaves the boat.

Key Features

• Three-cavity mold pours 5/16, 3/8, and 7/16 ounce weights in one tool
• Compatible with a range of plastic formulas and hook styles
• Designed for balanced, true-running swimbaits and jigs
• Efficient production—make three baits per pour cycle

Frequently Asked Questions

What plastics work in this Do-It jig mold?

The mold is designed to accept a wide variety of soft-plastic formulas, including standard urethane and plastisol compounds. Do-It makes a full line of injection plastics specifically formulated for their molds, but the design accommodates many aftermarket options as well. Check the specific gravity and flow characteristics of your plastic against the mold's weight ratings for best results.

Can I use any hook in this mold?

The mold is engineered to work with multiple hook sizes and styles, giving you flexibility to match hook choice to your target species and technique. Because the cavity design emphasizes hook-set geometry, hook positioning and sizing will affect how the finished bait handles, so test your setup before committing to a large batch.

What's the difference between the three cavity weights?

The mold offers three separate cavities that produce finished jigs at 5/16, 3/8, and 7/16 ounces. This lets you pour a range of weights in a single session—ideal for matching different depths, current speeds, or forage sizes without needing multiple molds.

Do I need special equipment to use this mold?

You'll need a heat source to melt plastic, a way to mix and apply it to the mold, and basic mold handling setup. Do-It offers injectors, melters, and other accessories separately. Start with their beginner mold kits and tutorials if you're new to lure casting.