All Things EFFY sells 7 variation of tufting . They can be grouped according to the style of rug you can create with them, a loop pile right or a cut pile rug, and also the pile heights they are capable of. The Pile height is how long the fibers stick up from your fabric. For example the AK-I Tufting Gun come pre-set to make 14mm high Cut Pile Rugs.

Example of a Loop Pile Rug
Example of a Cut Pile Rug

Keeping these two styles of Rugs in Mind, Let's Look at each Machine All Things EFFY sells:

Liquid error: Could not find asset snippets/product-customizer-asw.liquid