Part NO.: 4060225/4110359/JB5680
Size: 64.0 *78.0*25.2
Package: One set/box; 100boxes/carton
The products are made of high alloy steel, and it wears well and keeps the precise size.

The working surface hardness: HRC 60-72
Roughness of abrasive surface: GB1031-68, Ra0.02- 0.032 µ M
Wide range of temperatrue of application: From: -50Cto 120C
Life time: At least 7, 000 hours