PNEUMATICALLY OPERATED ADJUSTABLE IMPACT UNITS. THEY CAN BE MOUNTED IN ANY POSITION.REQUIRED FOR MARKING, RIVETING, NUMBERING AND OTHER PROCESSES PERFORMED BY THE IMPACT METHOD ON REVOLVING CHUCK, TRANSFER OR SPECIAL MACH......PNEUMATICALLY OPERATED ADJUSTABLE IMPACT UNITS. THEY CAN BE MOUNTED IN ANY POSITION.REQUIRED FOR MARKING, RIVETING, NUMBERING AND OTHER PROCESSES PERFORMED BY THE IMPACT METHOD ON REVOLVING CHUCK, TRANSFER OR SPECIAL MACHINES. .