Plastic bench dogs for clamping wooden items during sanding, planing and finishing. Fits 19mm (3/4″) holes drilled in any surface. For use with Silverline TB01 and TB05 Workbenches. Plastic bench dogs for clamping wooden items during sanding, planing and finishing. Fits 19mm (3/4″) holes drilled in any surface. For use with Silverline TB01 and TB05 Workbenches.