Badeco 8LC100 Micro Polishing-Micro Filing Handpiece with Duplex Spring Meco Midget Torch this is his answer

this is his answer

Useful alternative to oil paste for lower-temperature repair and joining work

Significantly more flexible and lighter than traditional torch hose sets

450 Hand Held Sawing Jig Made In Italy 126

enabling stable and accurate work during engraving and stone setting tasks

Badeco 8LC100 Micro Polishing-Micro Filing Handpiece with Duplex Spring Meco Midget Torch this is his answerThe Badeco 8LC100 is a reciprocating micro polishing and micro filing handpiece designed to reach corners, recesses, and other difficult areas that conventional polishing tools cannot access. This handpiece accepts ceramic files and miniature files, making it an ideal solution for precision finishing work on complex jewelry and metalwork surfaces. Part number 134. 748 includes the duplex spring. Also available without a duplex spring see part number