Q: Which expansion kit size should I get?
Choose the 1/4" kit for thinner dowels and lighter joinery, or the 1/2" kit when your project calls for larger, stronger dowel joints.
86N4282 - JessEm 1/4" Expansion Kit

Option:
Choose an option to view item availability.
Expansion kits for the JessEm dowelling jig include a drilling block with 1/4" or 1/2" bushings plus the matching drill bit, depth collar and indexing pin. We also offer a master kit that comes with the basic jig and both expansion kits (available separately).
Made in Canada.
Choose the 1/4" kit for thinner dowels and lighter joinery, or the 1/2" kit when your project calls for larger, stronger dowel joints.
Each expansion kit for the JessEm dowelling jig includes a drilling block with bushings sized to the kit, a matching drill bit, a depth collar and an indexing pin, so you have everything needed to drill that dowel size.
No, the jig is available separately; this kit only adds the drilling block, bushings, drill bit, depth collar and indexing pin for one dowel size.
Yes, the basic JessEm dowelling jig accepts either expansion kit, and a master kit combining both sizes with the jig is also available if you want both from the start.
| Materials | Metal |
| Compatibility | Fits JessEm dowelling jig |
| Includes | Drilling block; bushings; drill bit; depth collar; indexing pin (per kit size) |
| Package Quantity | 1 kit |
| Country of Origin | Canada |
| Warranty | Lee Valley Satisfaction Guarantee |

Options:
Option
Variations:
Expansion Kits for JessEm Dowelling Jig
Expansion kits for the JessEm dowelling jig include a drilling block with 1/4" or 1/2" bushings plus the matching drill bit, depth collar and indexing pin. We also offer a master kit that comes with the basic jig and both expansion kits (available separately).
Made in Canada.
Choose an option to view item availability.