1. Density of rod guide: í²6.7g/cm3, 2. Specification ª)40.7*ª)23*31.5 mm 3. Hardness: 60-70hb 4. Efficient steam treatment 5. High precision 6. Competitive price. 1. 200pcs per carton 2. Carton size:33.5cm*26.5cm*14.5cm 3. Gross weight: 17.5kg/carton 4. Net weight: 17kg/carton.