Adobe PDFPWG 0.5-3.0mx Precision Bronze + Cast Iron WormWheels -Gears                 Adobe PDFPWG -DL -PK  0.5-3.0mx Precision Plastic POM - Peek WormWheels -Gears
Adobe PDFAPWG 0.5-3.0mx Precision Anti-Backlash Bronze WormWheels -Gears                        
Adobe PDFPW PSW 0.5 to 3.0mx Precision Cut Worms                                                      Adobe PDFUPW UPSW 0.5 to 3.0mx Precision Ground Worms