Designation: drain plug Type: jump core. Quantity: 2 pieces. Color: silver/rose gold. Material: ABS Galvanized + Brass Core + Rubber Ring Dimensions: 60 x 50 mm. Diameter: 30mm. Hole diameter: 34-40mm. Applicable: drain holes with general inner diameter 34-40mm. Features: 1. Made of high quality thick galvanized ABS material + brass core + apron, durable solid structure, no cracking and no water leaking after long time use. 2. Easy installation, tool-free installation, just remove the old sink stopper and insert the new sink stopper to complete the installation. 3. The jumping core plug is different from the ordinary auger with knob. In the jumper core drain screw is an anti-blockage basket which can collect hair and dirt to prevent dirt from entering the sewage channel and causing blockage. 4. Just lightly press the top cover, you can easily switch between water tank and drain mode, which can quickly drain water and quickly store; 5. It is suitable for drainage holes with an inner