Knitting Machine Oil. Knitting Closet Knitting Machine Oil is a specially formulated blend of clear synthetic oil for lubricating parts of your knitting machine. It is important to only use knitting machine oil on your knitting machine as other lubricants such as aromatic's and mineral oils will attack and damage the plastic parts of your knitting machine. DO NOT use WD-40 or regular sewing machine oil on your knitting machine, it will attack the plastic bushings and parts. This high quality synthetic oil is also suitable for sewing machines. Sold in 4.25 oz control flow spout plastic bottle.