Speedmaster collet style coupler for piano wire drives. This coupler uses a high-speed insert that is used in high-speed precision milling.
Made in the USA, this is a high-quality coupler with very good balance and wire gripping strength, and precision. This sets it apart from some of the lesser-priced couplers on the market. Options Available: 5mm - .078 : 5mm smooth hole motor side to .078" (2mm) piano wire. 5mm - .093 : 5mm smooth hole motor side to .093 (2.5mm) piano wire. 5mm - .125 : 5mm smooth hole motor side to .125" piano wire.8mm - .093 : 5mm smooth hole motor side to .093 (2.5mm) piano wire.8mm - .125 : 5mm smooth hole motor side to .125" piano wire.