This is a mini-spanner, perfect for manipulating the different sized elements of a 3D Printer extruder. Fitting a variety of nozzles and heat blocks, this spanner makes an incredibly useful addition to any tool kit, no matter who may use it. 


At the Superstore we make great use of these both to brace a hot end during nozzle removal, or to fit in those hard to reach places due to how thin it is. We often use them in a pair, and would happily recommend that to others. 

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