Multi-stroke Honing head for gering machine As well as the basic selection guide,included is: 1.head (adapter and universal joint) 2.slide bar for rough honing(including wedge) 3.finish honing slide bar 4.Rough/finish honing Holder 5.spring and son on This honing head structure is suitable for automotive motor cylinder liner. Any different specification,just send us drawing or the details,we will recommend you a suitable size! looking forward to you inquiry, and we trust that we will be you ideal partner!