Dubro 2 1/4" Spinner (2 Blade) Black

This is the Dubro 2-1/4" Size Black Spinner.

FEATURES:
Constructed of 100% Virgin Nylon for maximum strength.
Pre-trimmed for two blade propeller.
Uses a unique nylon insert lock design for attaching the backplate
    and spinner-giving a solid and protected hold.
Four shaft adapters, 6mm, 1/4", 7mm, 5/16", removes have to drill
    out backplates.

INCLUDES:
One Dubro 2-1/4" Size Black Spinner with backplate, four shaft
    adapters, and two 3.5mm x 18mm socket head cap screws.

REQUIRES:
Lining up pins in nose cone to backplate and attaching into pre-
    installed locknuts with the two socket head cap screws.
7/64" ball motorist

SPECIFICATIONS:
Size: 2.25" (57mm) at base
Length: 2.44" (62mm) from backplate to tip

Many others have actually purchased this thing in addition to the thing that you are currently checking out.

12x6 Sport Propeller

This is a 12x6 Aircraft Propeller. It is a "tractor" (not a "pusher") Prop.

FEATURES:
Computer-optimized design provides these props a thinner profile
    and more "bite" with less noise.
Lightweight formed nylon building minimizes rotating mass for
    greater output and longer life.
Reinforcing carbon fibers assist maintain real, constant pitch at
    Any RPM.
"C2" design (see COMMENTS).

INCLUDES:
One Carbon-Reinforced NYLON Propeller

NEEDS:
ALL props need balancing, this is CRUCIAL, utilize TOPQ5700.
May requirement prop reamer, usage GPMQ5005 (SAE) or FOXQ1520 (Metric)

SPECIFICATIONS:
Length: 12" Pitch: 6
Thickness at hub: 1/2" Hole size: 1/4"

COMMENTS:
The "C2" represents the production run in which it was made.