Bessey makes clamping applications a cinch with this Solid Surface Seaming Tool (PS55). It has twin vacuum cups for clamping non-porous, solid surface material such as granite, marble, corian, plastic and glass. Also, its leveling toggles ensure smooth surface joint, reduces grinding, sanding and finishing. Twin vacuum cups for clamping non-porous, solid surface material such as granite, marble, corian, plastic or glass Leveling toggles ensure smooth surface joint, reduces grinding, sanding and finishing