Diameter: #8
Diameter 2: 9/16"
Length: 1/4"
Material: Stainless Steel
Thread Size: 32 (Coarse)
Shape: Round
Hardness: 18-8
Style: Pronged
Type: Tee Nut
Prongs: 3

Box of 10.

Tee nuts are generally used in soft wood to provide a stronger surface for a screw or bolt to mount into.