Includes the following replacement hoops:
Small Monogramming Hoop or small motif hoop. For small embroidery in small places. This hoop is a great size for monograms as well as adding small designs to collars and cuffs as well as infant wear. This is a must have for the home embroiderer. Size: 1.6" x 1.1"  Includes Centering Embroidery Sheet Grid

Medium Embroidery Hoop has an embroidery area of 100mm X 100mm (approx. 4" X 4") is the size hoop to use for most embroidery patterns.  Includes Centering Embroidery Sheet Grid

Super Hoop (Two Stage) Save time and work! Create extra large designs without the need to reposition your fabric. The convenient repositioning feature allows you to move the hooped fabric to an additional overlapping section. Imagine combining several small designs to create a larger design with no need to rehoop.  This hoop increases the effective area that you may embroider in one hooping from 100mm X 100mm to 100 x 160mm.  The largest individual design you can embroider is still 100mm x 100mm.  Includes Centering Embroidery Sheet Grid

This replacement hoop set fits the following embroidery machines:
Brother brand embroidery machines:
HE-120, HE-240, LB-6770, LB6770 PRW, LB6800PRW, Innov-ís 500D, Innov-ís 900D, Innov-ís 950D, PE-300S, PE-400D, PE-500, SE-270D, SE-350, SE-400

Baby Lock brand embroidery machines:
Intrigue (INT), A-Line Series

Simplicity brand embroidery machines:
SB7050E