PSG0.5-8.0 Precision Steel Spur Gears PSG -S -SL 0.5-3.0 Precision Stainless Steel Spur Gears PSG0.5-8.0 Precision Steel Spur Gears PSG -S -SL 0.5-3.0 Precision Stainless Steel Spur Gears PSG -DL -PK 0.5-3.0 Precision Plastic Spur Gears PSG -CI 1.5-3.0 Precision Cast Iron Spur Gears PSGS 1.5-3.0 Precision Spline Bore Spur Gears PSG -TI 0.5-1.5 Precision Titanium Spur Gears ABPSGS 0.5-1.5 Precision Anti-Backlas Spur Gears PPS Precision Pinion Shaft Spur Gears