Gage and Size
Diam of Head (Inch)
Approx. Number per lb
13 x 1-1/8
19/64
381
13 x 1-1/4
"
368
13 x 1-3/8
350
13 x 1-1/2
339
12-1/2 x 1
413
12-1/2 x 1-1/8
385
12-1/2 x 1-1/4
353
12-1/2 x 1-3/8
320
12-1/2 x 1-1/2
294
12-1/2 x 1-5/8
265
12-1/2 x 1-7/8
240
12 x 1-1/4
12 x 1-3/8
316
12 x 1-1/2
295
12 x 1-5/8
278
12 x 1-3/4
209
12 x 2
160
