4 x Universal 1.8mm Diameter Bars Sizes 18mm to 24mm
4 x Universal Type Watch Spring Bars
Rust Free Stainless Steel tube & spring.
Middle tube section is 1.8mm Diameter.
These bars are designed to fit all fitting width sizes between 24mm and 30mm, ideal if you are unsure of the exact size of bars you require because they will be suitable for 18mm 19mm 20mm 21mm 22mm 23mm & 24mm width fittings.