APC 13x6 Sport Propeller

This is a 13x6 Airplane Prop. It is a "tractor" (not a "pusher") Prop.

FEATURES:
Computer-optimized design offers these props a thinner profile
    and more "bite" with less noise.
Lightweight formed nylon construction reduces rotating mass for
    greater output and longer life.
Reinforcing carbon fibers help keep true, constant pitch at
    any rpm.
"C2" design (see COMMENTS).

INCLUDES:
One Carbon-Reinforced NYLON Prop

REQUIRES:
ALL props require balancing, this is CRUCIAL, utilize TOPQ5700.
May need prop reamer, usage GPMQ5005 (SAE) or GPMQ5007 (Metric)

SPECS:
Length: 13" Pitch: 6
Thickness at center: 1/2" Hole diameter: 1/4"

COMMENTS:
The "C2" stands for the production run in which the prop was made.

This thing praises the above discussed thing.

12x6 Sport Propeller

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

FEATURES:
Computer-optimized design offers these props a thinner profile
    and more "bite" with less noise.
Lightweight formed nylon construction reduces rotating mass for
    greater output and longer life.
Reinforcing carbon fibers help keep true, constant pitch at
    Any RPM.
"C2" design (see COMMENTS).

INCLUDES:
One Carbon-Reinforced NYLON Prop

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

SPECS:
Length: 12" Pitch: 6
Thickness at center: 1/2" Hole diameter: 1/4"

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