Genuine Makita replacement knob (p/n 271607-1), sold as the "Knob 20" used on several Makita saws and mortising machines. This molded knob is the direct replacement for item 142 in Makita parts breakdowns and installs on the vice / lever pin (uses an 8 mm pin, part 256614-5 ).
Fits examples: Makita 7104L chain mortiser and Makita cut-off/chop saw models 2412N and 2414 (listed as "Knob 20" — part 271607-1).
Durable molded plastic construction provides positive grip for tightening and clamp adjustment; it's the same genuine Makita part referenced in Makita parts lists. Keep this in your parts for power tools repair supplies to restore secure clamping and smooth adjustment on the affected assemblies.
Jump straight to the Makita spare parts diagrams:
