Slide Block SSL.. Mat:A-2 Integral hardness:50~56HRC Surface Hardness:80HRC Mat:A-2 Integral hardness :50~56HRC Slide block SSL:Our company gives top priority to good quality and sincere services. The main materials we use are imported from Japan. Our products have achieved a high work precision with the ultra precision tolerance within 0.002mm. We offer stable quality, preferential price, on- ...