Dimensions: Length .87" / O.D. .520 / I.D. .365

Metric: Length 22.09mm / O.D. 13.2mm / I.D. 9.27mm 

Color: Black

Countersink: 23

Package Include:

50/100/150/200/250/300/350/400/450/500 PCS(Optional)

Material: Black Ferrule Thermoplastic 

Fits most modern men's taper tip steel shafts with a tip section of .355!