The Spacer Sleeve (OEM Part No. 3128305915) is a wear part compatible with Boomer 281 drilling rigs. Manufactured from high-strength alloy steel, it is designed for use in the guide support system at the spacer sleeve position. The spacer sleeve helps maintain correct spacing between components, ensures stable alignment, and reduces friction during drilling operations. Its durable, wear-resistant construction provides reliable performance, long service life, and consistent operation in demanding underground mining and tunneling environments.