136-ISQ20MM10 : Black Ice 20mm Smooth Square Glue Tab (10 Pack)Black Ice 20mm Smooth Square Glue Tabs (10 pack) Smooth face allows glue to adhere for the strongest possible pull Ice material extremely strong and rigid formula allows for incredible pull strength and maximum energy transfer Black Ice Series manufactured as a joint venture between KECO and Black Plague The Black Ice Series is a joint venture between KECO and Black Plague. These glue pulling tabs are made out of our strong ice material. They are