Lot 8 Vintage Small Industrial Roller Sprockets Steampunk Machine Gear Cog Wheel. This item is New. This is a lot of 8 new chain sprockets that fit a 1 in shaft. The sprocket number is H35B18-1, they are for a number 35 chain and have 18 teeth on them. They will work good for any project or repair you need them for.  I will combine shipping on multiple purchases when possible. Shipped USPS Priority Flat Rate Mail.