Cratex Wheels - 4" x 1/2" Thermo-Loc Revised and expanded 20th-anniversary edition

Revised and expanded 20th-anniversary edition of the landmark Professional Goldsmithing

this German-made blowpipe torch mixes propane with air supplied either from the operator's mouth or from a foot bellows

variable C

Suitable for use with a drawbench or hand pulling for finer gauges

cosmoline-coated for rust protection during shipping

Cratex Wheels - 4" x 1/2" Thermo-Loc Revised and expanded 20th-anniversary editionCratex Wheels offer reliable rubber bonded abrasive performance for polishing and finishing metal surfaces. These 4" diameter wheels are designed for bench grinders and similar stationary equipment, delivering consistent material removal and surface refinement across three grit options. Whether you need aggressive cutting action or a finer finishing pass, there is a grit level suited to the task. Features 4" diameter rubber bonded abrasive wheel for