FireSmith gerb sets are designed to allow the pyrotechnician to produce consistent devices time and time again. Each gerb kit is completely CAD designed and CNC machined. All spindles are machined from bronze billet and polished to a high luster. Spindles machined from this alloy release quite easily from a finished motor even when pressed to 9,000psi on the fuel grain. These spindles are completely removable from the base by unscrewing two stainless steel hex screws. All rammers and bases are machined from 6061 aluminum billet, chemically blackened, surface hardened and engraved. This metal treatment results in a very tough tool set that is much more abrasion resistant than bare aluminum and will last nearly forever. Friction is reduced, making rammers "slippery" and easier to remove from a motor tube. No-pass and swap-out lines are machined into the surface and are highly visible. Plus, product information detailing tube length and tool-set name and size is also engraved into each rammer. This eliminates damage and safety hazards present when rammers and spindles get mixed up. The FireSmith spindle removal tool and tube extender are highly recommended for use with these gerb sets. Designed to use standard 6lb (1.5" ID) tubes 16" long. Includes 5 rammers.
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