Specifications:

• 1: Adjust the position of the suction cup on the table, prepare to squeez
• 2: Rotating pitch adjustment knob can be adjusted up to 50mm
• 3: Press the hand pump continuously until the suction cup is adsorbed on
• 4: Rotating height adjustment knob can be adjusted up to 30mm
• Certification: NONE
• Colour: picture color
• Material: rubber
• Origin: CN(Origin)