Amazon
Mounting tool: 3 parts - Metal base - Stepped collet holder - Tapered pin Steps on the collet holder: 7 - each with a width of 1/4 + Ring size capacity: 8 - 15 finger size US Total length: 6-1/4
Mounting tool: 3 parts - Metal base - Stepped collet holder - Tapered pin Steps on the collet holder: 7 - each with a width of 1/4 + Ring size capacity: 8 - 15 finger size US Total length: 6-1/4