Ali's Bolt (aka Tricky 8.8

This is the first puzzle bolt that Two Brass Monkeys has to offer. It was designed by Ali (part of Two Brass Monkeys) in 2015 and has a unique solution.
Ali's Bolt is a fairly heavy bolt and larger than many puzzle bolts already out there. The aim is to remove the nut. It is engineered to a very high standard and will certainly compliment any other puzzle bolt designs you may have. It is 320 grams and 100 mm in length.
$81.17

From YouTube

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