Details
This spring bar assortment comes with the 17 most commonly used double flange spring bar sizes, each size 20 pieces, total 340 stainless steel spring bars, sorted in an plastc box. Sizes: 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 and 22mm. All spring bars with tube-diameter 1.5mm. Advice from a specialist: the spring bar is a small watch part, but extremely important, so only buy good quality from a specialist watchmaker shop.