SDB 103/3 Small Diameter Beveler Pneumatic Kit SDB 103/3 Small Diameter Beveler Pneumatic handheld end prep machine tool is designed to face, bevel and counterbore 1.16” (29.5mm) ID through 4.5” (114.3mm) OD tube and pipe. Includes HD air motor with speed control valve, standard mandrel 1.16in - 4.18in (29.5 - 106.2mm) ID, 7 sets of leg extensions, operating hand tools, manual and storage case. Features: Wachs SDB 103/3 is a handheld beveling machine tool that delivers maximum power and performance for fast, accurate weld preps on pipe and tube from .875” (22.2mm) ID through 4.5” (114.3mm) OD. Faces, bevels and counterbores on carbon, stainless and high alloy steels. Machines boiler tube, heavy wall pipe, thick wall tube, elbows and faces flanges.