Clock Fit-ups can be friction fit into a round hole.  We offer quality quartz movements and forstner bits for each:

• 1 7/16" Fit-ups , Weather Instruments & Forstner Bit
• 2 3/4" Fit-ups & Forstner Bit
• 3 1/8" and 3 1/4" Fit-ups & Forstner Bit
• 3 1/2" Fit-ups & Forstner Bit