【Precision Fit For M10 M12 Fasteners】: This double-ended wrench is precisely machined for M10 and M12 nuts used on bollards and post barriers. The snug fit avoids slipping during installation or removal. 【2-in-1 Integrated Design】: This bollard wrench handles 2 sizes with 1 tool, allowing quick switching between different post hardware without changing tools. 【Carbon Steel Build】: Constructed from carbon steel that withstands high torque applications. The material resists bending or cracking during heavy-duty use in outdoor barrier installations. 【Rust-Resistant For Outdoor Use】: Surface blocks moisture and environmental wear. This M10 wrench maintains performance through outdoor conditions without rusting. 【Tip】: Please confirm that the size is suitable for the baffle before purchasing, otherwise the triangular wrench may not work properly!, Weight: 0.330693393 pounds, Manufacturer: BDKMMS