The SpinOlution magnetic bobbins are made from Baltic Birch & are shatterproof. Each one is glued by hand & tested for durability & function in their quality control department.All SpinOlution products are built to order and then shipped directly to you. Standard delivery time is 1-2 weeks.Any bobbins that break within 1 year of purchase SpinOlution will replace for free! If your bobbin breaks, email us at [email protected] & we will have it replaced for you!Which 3/8" Bobbin Fits My Wheel?Pollywog: 4oz, 12ozBullfrog: 8oz, 16ozHopper: 8oz, 16oz, 32ozFirefly: 4oz, 8oz, 16oz, 32oz, 64ozQueen Bee: 4ozKing Bee: 8ozWorker Bee: 16ozEcho: 4oz, 8oz, 16oz, 32ozMonarch: 4oz, 8oz, 16oz, 32oz, 64oz Browse all SpinOlution Spinning Wheels Here. Warning: The lacquer finish Spinolution uses on their wheels contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. California law requires this warning to be given to all customers in the State of California.
