Miter Slot Expansion Hardware Kit - 2 Piece DC04-02 A hand crank is used

A hand crank is used to operate the marble run that features a precise gear design to provide smooth transmission speed ratio

organized and close at hand

Material up to 13/16" thick rides directly on table surface below jig base

(1) Wooden Case

(1) Ironwood Designs Bloxygen Finish Preservative can

Miter Slot Expansion Hardware Kit - 2 Piece DC04-02 A hand crank is usedIncrease the functionality of our WoodRiver Standard 3 4" Miter Track, Combination Miter Track and T Track by adding this Miter Slot Expansion Hardware Kit. Two 4 3 4" long extrusions are machined for a unique bolt that allows each bar to expand and lock in position in the 3 4" miter track profiles. You can make jigs and fixtures that engage the use of a standard 3 4" miter track. Includes two each expansion bars, 2" long special expansion bolts,