... Suction Cup mainly for leveling the 2 pieces of slabs get them closely when in installing, make the seams look good Suction ... Cup1,Includes two vacuum hand cups and removable ratchet2,Dual hand cup with ratchet for ... productsPolishing Pads,Cutting Blade, Core Drill Bits, Diamond Cup wheel, Finger Bits, Stone Processing Machinery,etc.3. ... will be control 3 times by them Suction Cup