| Item | Diameter | Increments | Step Depth | Number of Hole Sizes | Shank Diameter | |
|---|---|---|---|---|---|---|
| SDH1 | 1/8" to 1/2" | 1/32" | 1/8" | 13 | 0.25 | |
| SDH10 | 1/4" to 1-3/8" | 1/8" | 1/8" | 10 | 0.375 | |
| SDH11 | 1-1/8" | N/A | N/A | 0.5 | ||
| SDH2 | 3/16" to 7/8" | 1/16" | 1/8" | 12 | 0.375 | |
| SDH3 | 1/4" to 3/4" | 1/16" | 1/8" | 9 | 0.375 | |
| SDH4 | 1/4", 7/8", 1-1/8" | N/A | 5/32" | 3 | 0.375 | |
| SDH5 | 7/8" | N/A | N/A | 1 | 0.375 | |
| SDH6 | 3/16" to 1/2" | 1/16" | 3/8" | 6 | 0.25 | |
| SDH7 | 9/16" to 1" | 1/16" | 1/8" | 8 | 0.375 | |
| SDH8 | 1/2" | N/A | N/A | 1 | 0.25 | |
| SDH9 | 13/16" to 1-3/8" | 1/16" | 1/8" | 10 | 0.5 |
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