19mm Mainspring £ 7.25 Spring Size Height 19 Strength 30 Length 30 Height 19 Strength 30 Length 35 Height 19 Strength 35 Length 35 Height 19 Strength 40 Length 40 Height 19 Strength 45 Length 45 Add to basket View basket Category Mainsprings Product Codes: MS193030 & MS193035 & MS193535 & MS194040 & MS194545