Features: 1. It is made of high‑hardness steel material, strong and durable, not easy to deform. 2. Easy to install and replace, it is an excellent substitute for broken or old parts. 3. Exquisite craftsmanship, can be highly matched with the original equipment. 4. Chainsaw bumper spike and nut kit, strong practicability, wear and corrosion resistance. 5. Suitable for Stihl 017 018 020 MS170 MS171 MS180 MS192T 020T MS200T 021 023 025 MS210 MS230 MS250. Specification: Condition: 100% Brand New Item Type: Bumper Bolt Spike Nut Kit Material: Steel Weight: Approx. 194g / 6.8oz Application: For STIHL 017 018 020 MS170 MS171 MS180 MS192T 020T MS200T 021 023 025 MS210 MS230 MS250 chainsaw Package List: 4 x Bolt 4 x Nut 4 x Spike Features High-hardness steel material: Made from durable steel material, ensuring strength and resistance to deformation. Easy installation and replacement: Simple to install and replace, serving as an excellent substitute for worn-out or broken parts. Exquisite craftsmanship: Meticulously crafted to seamlessly match the original equipment, enhancing the overall aesthetics. Strong practicability: The bumper spike and nut kit provides reliable functionality, offering wear and corrosion resistance. Wide compatibility: Compatible with Stihl chainsaw models 017, 018, 020, MS170, MS171, MS180, MS192T, 020T, MS200T, 021, 023, 025, MS210, MS230, and MS250.