Description This bicycle oil change tool kit is designed to make your bike maintenance tasks easier and more efficient. The set includes various plastic tools that help you replace brake oil and bleed hydraulic disc brakes. The longlasting materials ensure long-lasting use, making it an essential addition to any cyclist's toolkit. Features -Color:Blue -Material:Plastic -Size:2.90X2.50X1.00cm/1.14X0.98X0.39in -Size:3.40X2.30X1.00cm/1.34X0.90X0.39in -Size:4.70X4.60X0.50cm/1.85X1.81X0.20in -Versatile compatibility: suitable for universal bicycles, mountain bikes, and road bikes, ensuring optimal performance and fit for both mtb and racing bikes -Easy installation: these brake bleed blocks and pad spacers can be effortlessly inserted between brake pads, ensuring proper alignment and spacing for efficient braking -Longlasting construction: made from robust materials, these tools withstand the rigors of riding, ensuring longlasting durability and reliability -Ample replacement parts: provides enough replacement parts or extra accessories for multiple bicycles or future use, ensuring you are always prepared -Wear resistance: crafted with robust materials, these tools offer strong wear resistance, ensuring a long lifespan and high reliability for prolonged usePackage list: 2 x piston (2.90X2.50X1.00cm) 2 x piston (3.40X2.30X1.00cm) 4 x bicycle brake blocks