BLUEROCK Tools Model OB-30 Oiler Bucket Large Trigger for User Comfort Separate Removable Plastic Filter Basket Hanging Mechanism for Easy Tool Holding Heavy Duty Reservoir for Product Longevity Heavy Duty BLUEROCK Tools Oiler and Bucket Model OB-30. Specifications: Separate Plastic Bucket. Large Trigger for User Comfort. Hanging Mechanism for Easy Tool Holding. Heavy Duty Reservoir For Product Longevity. Parts Fit RIDGID 418 Oiler and RIDGID 300, 535,700 and 12-R Pipe Threading Machines This is new BLUEROCK Tools OB-30 Bucket Oiler. RIDGID is a registered trade mark of RIDGID Inc. or the Ridge Tool Company and is only used for product identification purposes.