Universal Parts Woodruff Key - QMB139 $1.99 Quantity discounts available QuantityPrice SKU: 151-122 This item is IN STOCKCurrent Stock: 437 Quantity -+ Add to Cart Details Specs Length: 12.9mm Width: 3mm Height: 2.5mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Woodruff Key for 50cc 4-stroke QMB139 engines. Back Length: 12.9mmWidth: 3mmHeight: 2.5mm Back QMB139 50cc/49cc , Various unlisted makes/models