CST452 3/8" Shaft, 4-1/2" size with knob hinge predrill fixture

  • Spring loaded base aligns in hinge mortise for proper hole placement
  • Holes are drilled square to surface so screws go in flush
  • Use in the shop or on the job site
  • Mounts in a 3/8"/ drill motor
  • Bits easily change with 8-32 1/8"/ set screw
  • Hinge size 4-1/2"/
  • Square corner type