3-6 inch rotating mechanical chuck
12寸机械夹头（敞口式）
12-inch rotating mechanical chuck (special through hole)
12-inch mechanical chuck (closed type-RRB-
6-inch rotating mechanical chuck
6” rotating mechanical chuck-(aluminum) .”
6-12 inch rotating mechanical chuck
3-inch sleeve 6-inch rotating mechanical chuck
3-inch sleeve 6-inch rotating mechanical chuck (3-inch)