Niti Open Coil Spring (2pcs/bag). We’re one of the largest online dental suppliers based on many qualified manufacturers in china. Nickel Titanium open coil (compression). Springs designed to gradually increase in force as the spring is compressed.
Niti Open Coil Spring (2pcs/bag). We’re one of the largest online dental suppliers based on many qualified manufacturers in china. Nickel Titanium open coil (compression). Springs designed to gradually increase in force as the spring is compressed.