for EF 50mm f/1.8 STM: Designed specifically for EF 50mm f/1.8 STM, ensuring compatibility and performance. Quality: Made from high-quality materials, this replacement gear set meets standards, providing reliability and durability for long-term use. Enhanced Performance: The precision-made gears offer smooth and precise focusing, vital for achieving and stunning photographs. Easy to Install: This repair part is designed for straightforward installation, allowing for a quick and efficient repair process. perfect for both professional technicians and DIY enthusiasts. Economical Repair Solution: Provides an affordable alternative to lens replacement, extending the life of your camera lens without compromising quality. Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:ABS Package Contents: 2 x Gear Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.