Amazon.com : 120 ml Aluminum Injector for Soft Plastic Plastisol Fishing Lure Mold Tackle DIY Making (Locking Nozzle) : Sports & Outdoors

Aluminium injector for plastisol (soft plastic) is perfect fit for fishing lure making, allows you to create your own fishing lures and is perfect for do it soft plastic baits. Allows DIY enthusiasts creating soft plastic baits at home using preferred colors, glitters and scents.
Material: Aluminum. Aluminum alloy recommended itself as a light and durable material, which is suitable for injectors. Rubber sealing rings. There are two rubber sealing rings to prevent plastisol from leaking as well as to create more pressure during pumping.
Volume: 120 ml (4 US Fluid Ounce). This volume is a perfect for small and mid size - it's light and easy to operate with. This size is recommended for baits of less than 6-7 inch.
Injection port: 5/8" injection. This diameter has become a standard over the years for soft plastic bait injectors. It's an optimal size to create targeted pressurized plastisol flow.
We recommend to put a marking on the piston rod to determine the safe amount of pressure, which can be applied to piston, without accidental exposure of the cap.