Comprehensive Kit Contents: This package includes one 231-THK1 Hammer Tune Up Kit, providing all necessary components to maintain or repair your IRT231/244 impact wrench. Ideal for professionals and DIY enthusiasts. Part Compatibility: Designed for part numbers 231-THK1 and 231THK1, this kit is a direct replacement for parts used in models 231 and 244 impact wrenches, ensuring reliable and optimal performance. Designed for Models 231 and 244: This tune-up kit is compatible with both model 231 and model 244 impact wrenches. It meets exact equipment specifications to help your tools operate efficiently. Essential Maintenance Tool: Regular maintenance with this tune-up kit helps extend the life of your impact wrench, improve performance, and reduce the risk of tool failure during use. A valuable addition to your tool maintenance supplies. Fix and Enhance Tool Performance: Replacing worn parts with this kit can restore or improve the functionality of your 231 and 244 impact wrenches. A practical solution for keeping tools in good working condition. Color: As shown in photo Material: Metal The actual product may vary slightly in color due to lighting and display differences, which does not affect functionality. Package Contents: 1 x 231-THK1 Hammer Tune Up Kit Note: Light reflection and different displays may cause slight color variation from the actual item. Measurement may vary by +/- 1-3 cm.