Par4QC my guess would be SMT or Sub70 as those are the only ones i remember having that detail. OEM or component .... well since you bought em head only that's what I'm going with but could go either way (the golf club, not you🤨😲😉🙃🤣)

      darpar Built a new portable work/table saw bench.....retractable casters are slick!

      Nice looking table. My 45 year old Craftsman 10" table saw has locking casters on it that makes it easier to move around. It also still has the blade guard on it and I still have all 10 fingers. 😛

          Rickochet My 45 year old Craftsman 10" table saw

          My grandpa lost part of his index finger on an old Craftsman jointer when I was
          about 8 years old,I was standing right there when it happened.😨

            (re)built the SMT 579 irons. Feel much better. Will get them out in a couple days again.
            Also built a couple LogicalOne wedges, 52 & 56.
            Maybe pics later.🤔