Nunn Finer Studs- Bag of 10 are made from high-quality steel for peak performance. Please see below for each individual letter:

A) Small Hexagonal Bullet: Good-to-dry conditions (hind) or wet conditions (front); 1/2" wide, 1/2" deep (without screw).

B) Medium Hexagonal Bullet: Good-to-slick conditions (hind) as a pair or on the inside with a semi-spike on the outside, or in wet conditions as a pair (front); 1/2" wide, 3/4" deep (without screw).

C) Full-Short Hexagonal Bullet: Wet conditions with deep footing (hind) or on inside with full spike outside; 5/8" wide, 11/16" deep (without screw).

D) Full Hexagonal Spike: Grass in dry/hard conditions. Use on the outside, with a dull stud on the inside; 1/2" wide, 11/16" deep (without screw).

G) Flat Hexagonal Road: Everyday use (front) in hard conditions; 9/16" wide. 3/16 deep (without screw).

H) Semi-Hexagonal Spike: Good to dry conditions (front). Outside with a dull stud of the same height on inside to prevent grabbing; 1/2" wide, 7/16" deep (without screw).

K) Square Bullet: Good-to-slick conditions (hind and front) as a pair to on the inside with a semi-spike on the outside. Very wet conditions as a pair (front); 1/2" wide, 3/4" deep (without screw)

J) Hexagonal Bullet: Hexagonal Bullet; Good to slick conditions (hind) as a pair or on the inside with a semi-spike outside, or in wet conditions as a pair (front). 1/2" wide, 7/16" deep (without screw).

L) Large Hexagonal Bullet: Good to slick conditions (hind) as a pair or on the inside with a semi-spike outside. Also as a pair in very wet conditions (front); 1/2" wide, 1/2" deep (without screw).

M) Semi-Square Small Spike: Grass or hard/dry conditions (front) or outside with a dull stud of the same height on the inside (hind); 3/8" wide, 7/8" deep (without screw).

N) Semi-Square Medium Spike: Good-to-dry conditions (front). Used outside with a dull stud of the same height inside (hind), 3/8" wide, 5/16" deep (without screw).

O) Shaped Square Road: Dry-to-hard conditions. Everyday use or on inside with a semi-small spike outside; 7/16", 3/16" deep (without screw). 

Q) Full-Square Block: Wet conditions with deep footing as a pair (hind); 7/18" wide, 9/16" deep (without screw).

R) Semi-Square Spike: Good-to-dry conditions (front or behind). Use on the outside with a dull stud of the same height on the inside; 3/8" wide, 7/16" deep (without screw).

S) Full-Square Spike: Dry/hard ground on the outside only. Use dull stud on the inside; 3/8" wide, 9/16" deep (without screw).

T) Small-Square Road Stud: For everyday use; 3/8" wide  1/4" deep (without screw).

U) Medium-Square Road Stud With Tip: Everyday use, dry-to-hard, conditions on the inside with a small semi-spike on the outside. Medium-Square Road Stud with Tip; 3/8" wide, 3/8" deep (without screw).

V) Medium-Square Road Stud: For everyday use; 7/16" wide, 7/16" deep (without screw)

Y) Hexagonal Spike: Grass in dry/hard conditions. Use on the outside with a dull stud on the inside. 9/16" wide, 5/8" deep (without screw)

Z) Full Square Block: Good-to-slick conditions (hind and front) as a pair on the inside with a semi-spike on the outside. Very wet conditions as a front pair. 1/2" wide, 3/4" deep (without screw)