VECTOR 350, Skeletal Expanders, 4mm, PK/10

Skeletal miniaturised sector expansion screw with bright yellow directional arrow for single tooth and segment movement in the upper and lower jaw.W x H x L4.70 x 2.50 x 10.50 mm expansion4.00 mm expansion per 1/1 turn0.35 mm expansion per ¼ turn0.0875 mm