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DeWalt
DeWalt DW788 20 in. Variable-Speed Scroll Saw
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Best Scroll Saws · head-to-head
DeWalt DW788 20 in. Variable-Speed Scroll Saw vs WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw
A sourced, side-by-side comparison. WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw is cheaper at $129.13. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | DeWalt DW788 20 in. Variable-Speed Scroll Saw |  WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw |
|---|---|---|
| US price | — | $129.13 |
| Brand | DeWalt | WEN |
| Released | — | — |
| Throat capacity (in) | 20 | 16 |
| Max cut thickness (in) | 2 | 2 |
| Speed range spm | 400–1750 spm | 400–1600 spm |
| Variable speed | Yes | Yes |
| Blade type | — | both |
| Max bevel (°) | 45° (L & R) | 45° (left only) |
| Dust blower | Yes | Yes |
| Weight (lb) | 56 | — |
Sources — DeWalt DW788 20 in. Variable-Speed Scroll Saw: dewalt.com (verified 2026-08-19). WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw: wenproducts.com (verified 2026-08-19).
What's the difference between the DeWalt DW788 20 in. Variable-Speed Scroll Saw and WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- Throat capacity (in): DeWalt DW788 20 in. Variable-Speed Scroll Saw 20 vs WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw 16
- Speed range spm: DeWalt DW788 20 in. Variable-Speed Scroll Saw 400–1750 spm vs WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw 400–1600 spm
- Max bevel (°): DeWalt DW788 20 in. Variable-Speed Scroll Saw 45° (L & R) vs WEN 3921 16-inch Two-Direction Variable Speed Scroll Saw 45° (left only)