Stock up now on spares!Large M Aluminum Bobbin with Slot 239729SPart number: 239729SThis Listing is for Brand New High Quality Large Capacity (M Size) Aluminum Bobbin for Gammill Quilters. This "M style" bobbin measure 1" in diameter and 3/8" thick. Aluminum bobbins are considered the Top-End "Luxury Bobbins". They offer less resistance which translates to less drag to the bobbin thread tension. These bobbins have winder slots. Also fit HQ16 by Handi Quilter, HQ18 Avante, A-1 LongArm Quilter Tin Lizzie 18 Long Arm regular and Tin Lizzie 18 LS Models Gammill: QUILTERS Nolting's: QUILTMASTERSPackage of one lightweight M-class aluminum bobbin fits: All Handi Quilter quilting machines Baby Lock Jewel & Crown Jewel Tin Lizzie 18 Queen Quilter 18 Ansley 26 Husqvarna Viking Mega Quilter 18 x 8 Pfaff Grand Quilter 18 x 8 Janome Artistic Quilter 18 inch Long Arm machines Also Available: Handi Quilter Bobbin Case Part number QM00586