Premium Allied Grid-Lock 30 x 24cm (12 x 9") Round Melco Embroidery Hoop - Short ArmApprox. Inside Dimensions (Y by X): 29.5 x 22.5 cm (11.625" x 8.875")Hoop Thickness: Double HeightArm Spacing: Fits Inner Position of Hoop Holding Arms (400 mm / 15.7")Manufacturer Part #: PAGL-1112RD-MEL-400Machine Compatibility: EMT16 / EMT16 PLUS, Amaya / Amaya XT / Amaya XTS & BravoPopular size for left-chest embroidery, ideal for smaller garments (including child sizes) or for smaller designs Special features of Premium Allied Grid-Lock hoops which make them truly superior to other hoops:• Patented built-in horizontal and vertical grid lines enable quick and properly aligned hooping, every time!• Save time & money by using the built-in alignment lines along with the machine laser alignment system to virtually eliminate rejections due to crooked embroidery!• Extra-long 79 mm (3-1/8 inch) bolt-style adjustment screw is much easier to use and provides added hoop opening for thicker garments• T and L markings on the tab of the hoop to show rotation direction of adjustment screw for Tightening and Loosening Allied Grid-Lock hoops compared side-by-side against any other brand will out-perform and out-value, every time!Unique Features of Premium Allied Grid-Lock Hoops that enable Aligned Hooping, Saving You Time & Money: