OPAL Nickel Titanium 15" Spooled Open-Coil Spring

Nickel Titanium 15" Spooled Open-Coil Spring

Spooled springs offer gentle, consistent opening forces in a 15" (38cm) length. The coil spring provides optimal opening forces when compressed between two brackets or two fixed points in the mouth. Wire size is .010" (0.25mm). Lumen size is .030" (0.76mm).