This drill jig is highly recommended for safely and accurately drilling the rib attach holes in the Cub Crafter wing spars by the builder. The drill jig is precision machined aluminum with all dimensions per the print supplied with the builders manual.

Hole Duplicator, #21 Size, 18" Reach, Spring Punch Type. Size #21. 18" working length. Spring loaded. Punch type. Comes with hardened marking pin. Permits the marking sheet stock from a hidden pilot hole.

Size #21. 6" working length. Spring loaded. Punch type. Comes with hardened marking pin. Permits the marking sheet stock from a hidden pilot hole

Hole Duplicator, #40 Size, 6" Reach, Spring Punch Type. Size #40. 6" working length. Spring loaded. Punch type. Comes with hardened marking pin. Permits the marking sheet stock from a hidden pilot hole.

Size #30. 12" working length. Spring loaded. Punch type. Comes with hardened marking pin. Permits the marking sheet stock from a hidden pilot hole

Size #40. 18" working length. Inverted drill bushing type. Inverted Duplicators allow you to locate a hole from the back of an overlapping sheet.

Hole Duplicator, #12 Size, 18" Reach, Spring Punch Type. Size #12. 18" working length. Spring loaded. Punch type. Comes with hardened marking pin. Permits the marking sheet stock from a hidden pilot hole.

Used to install 1/4" miniature one lug single-wing style plate nuts (SWM).

Used to install miniature 1/4" corner style plate nuts (CWM).

13 Metric Ground Tap Sizes: 1.6, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 14, 16mm.

9 Unified Fine Thread sizes: 5/8-18, 9/16-18, 1/2-20, 7/16-20, 3/8-24, 5/6-24, 1/4-28, 10-32, 8-36".