Dimer SG-12 - 1/2" Outside Dia, Ball Bearing, 3/16" Inside Dia, 5mm Thickness Tenon Makers Bearing Number: Two B3 

Bearing Number: Two B3 

Available in different colors

Sturdy base with 4 swivel casters and handle for maneuverability

Fits Porter-Cable

Dimar's Carbide Tipped Countersinks are made of only top quality industrial grade carbide

Dimer SG-12 - 1/2" Outside Dia, Ball Bearing, 3/16" Inside Dia, 5mm Thickness Tenon Makers Bearing Number: Two B3 Dimar's Precision Ball Bearing is factory fitted with an exclusive non marring DELRIN sleeve for unsurpassed performance designed especially for routing solid surface materials such as DuPont's Corian. These new Super Guide bearing assemblies will guarantee not to leave marks on the material being cut. Outside Diameter (O. D.) 1 2" Bore Inside Diameter (I. D.) 3 16" Thickness Minor Height 5 mm Taper 0