Home / Gears and Pulleys / 4mm Bore Gears ( module 1 ) / Worm Gear Pack of 10 Worm Gear Pack of 10 Worm Gear Pack of 10£3.95 Worm Gear Pack of 10 Worm Gear Pack of 10 quantity Add to cart Category: 4mm Bore Gears ( module 1 ) Description Description Worm Gear Pack of 10 Related Related products 50 Tooth Gear with 4mm Bore Pk10 £3.95 Add to cart 40 Tooth Gear with 4mm Bore Pk10 £3.60 Add to cart Interlocking Rack Pk10 for 4mm gearing £3.25 Add to cart