Get professional results quickly. Comfortable handpiece with quick-change tool holders lets you do carving, fine line engraving and metal removal. Powered by your compressor. Mfg: Grs SPECS: Handpiece; 4 1/2" (11cm) long. Requires 1.0 CFM at 50 psi, 120 psi maximum. Includes; handpiece, three tool holders, foot control, air filter/regulator, air lines and instructions.