Plastic Worm Drive Set Colours Are Fun a new clan seeks the

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Plastic Worm Drive Set Colours Are Fun a new clan seeks theThe set consists of a worm gear 24mm long x 12mm dia with an 8 turn worm screw. The worm has a 2. 8mm axle hole which could probably be carefully drilled out to a larger diameter. The spur gear is 1 4" (6. 35 wide) and 1 & 5 8" (41. 2mm) diameter with a number of regular pitch concentric 2. 8mm holes across the face would be a drilled out to accommodate a larger shaft. This gear has 40 teeth. Both are moulded in an engineering grade plastic.