Nail Gear 362A Eccentric Gear Nail Toy Accessories Plastic Gear Single Layer Gear Remote Control Car Parts（4pcs）

Number of single-layer teeth: 36 teeth
Module: 0.5 module
Aperture(d): 1.95mm
Tooth circle diameter(D1): 19mm + 3.5mm + 4mm Nail
Gear thickness(H1): 4mm + 1.5mm + 1.5mm + 1.5mm