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Designed for setups using a D-loop. Double lock throat shape gives added security on the string with a clean release. Durable, impact resistant polycarbonate construction. Designed to be tough enough for the high kenetic energy of the modern bow. Rigourously tested to expose any flaws and defects before they make it to the market. Fits UNI Bushings and most 166 ID shafts. Sold individually or save money on packs of 100.
Bohning's F Nock fits micro shafts with an ID of .166in (commonly known as 4mm or G Nock) shafts and G UNI Bushing systems. The F Nock features a double-lock throat of .120in (3.05mm). Each F Nock weighs an average of 6.5 grains (421.2 mg).
Tech tip: for easier insertion and indexing, apply a small amount of Bohning's Tex-Tite or Seal-Tite Wax to the nock shank.
At Bohning, every nock style must pass the following steps before introduction to the market:
1. Computer simulations identify potential weak points.
2. Destructive testing methods expose possible design flaws or material defects.
3. Accelerated life cycle testing using a custom-built bow is performed at kinetic energy levels exceeding 110 ft-lbs (nearly twice that of most hunting bows). A single nock must withstand over 1000 shots or it goes back to step 1.