Cutex Brand 100 Aluminum M Size Bobbins for TIN Lizzie 18 Quilting Machines Box of 100 Large Capacity M Size Aluminum Bobbins for Tin Lizzie Quilting Machines. M size bobbins measure 1" in diameter and 3/8" thick. Works with Tin Lizzie 18"LS & 26" Ashley, Queen Quilter 18", Handiquilter HQ Sixteen, Baby Lock Jewel 18", Pfaff Grand Quilter 18", Viking Mega Quilter 18" Machines & Frames.