All parts are machined from solid brass and have integral bosses.
Helical gears run smoother and more silent than standard gears.

Helical gears meshing at standard spacing with:
Alternating right and left hand gears at same level.
10teeth....with 14t.
12teeth....with 12t. and 36t.
16teeth....with 32t.
20teeth....with 32t. at a distance of 2holes and 1h transfer
24teeth....with 24t.
24teeth....with 30t. at a distance of 2holes and 1h transfer
30teeth....with 36t. at a distance of 2holes and 2h transfer
30teeth....with 24t. at a distance of 2holes and 1h transfer
32teeth....with 40t.
32teeth....with 35t. at a distance of 2holes and 2h transfer
35teeth....with 36t.
36teeth....with 35t. and 36t.
36teeth....with 40t. at a distance of 3holes and 1h transfer
40teeth....with 12t. at a distance of 2holes and 1h transfer
40teeth....with 32t.
40teeth....with 36t. at a distance of 3holes and 1h transfer
48teeth....with 24t.
60teeth....with 10t.
60teeth....with 35t.
60teeth....with 16t. at a distance of 4holes and 1h transfer
For more technical data on each part click the part link.