New Sewing Machine Thread - Small Spools Gunze #60 Price is for 1 bobbin x 7 pieces - Color: White - Material: 100% Polyester Approximately 55m~60m per spool ◎ We consider 90% of the bobbin to be the winding amount, but please understand that there may be variations beyond 90%. ※ Please adjust the amount of thread wound to match the sewing machine you are using. Bobbin Size Diameter - Approximately 20mm Height - Approximately 11.5mm Hole - Approximately 6.2mm Material - Transparent Plastic Please be aware that these bobbins are for small spools. Only those who understand the above information and the nature of the small spools, please purchase.