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These Zippy spacers and blade inserts designed for the Nabalis Impulse butterfly knife trainer are made from a shatter-proof polyurethane. The spacers extend and protect the handles, feature positive jimping, and enable adjustable balance with up to 3x removable tungsten weights per spacer. The blade inserts increase momentum and enable you to adjust the balance with the optional tungsten-weighted tip insert.

Nabalis Impulse Spacers & Inserts

$19.00