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Frame Lock Stop and Balisong Spacers for Knife Builders

Shop the Darrel Ralph-designed lock stop for frame lock folders and a stainless steel spacer set for balisong knives. The lock stop is an upgrade for custom folder builds, and the spacers suit new butterfly knives, retrofits of an existing balisong and filework practice.

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The Designer Lock Stop has an extended tab that keeps the lock bar from overextending when you disengage the blade on a frame-locking knife. Its hole pattern matches our fold-over clip, so it can take the clip's place or be mounted on its own, including on a knife set up for tip-up carry.

The balisong spacers are stainless steel with pre-drilled mounting holes and a light profile that helps balance a butterfly knife for smooth flipping. They are sized for a universal fit on many butterfly knife models and ship exactly as shown in the photo. Pivots, pocket clips and screws for the rest of the build are under folder and fixed blade hardware, and questions about mounting either piece can go to our customer service team.

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