Seller: 00bulldog00 (948) 100%, Location: Birmingham, Ships to: GB, Item: 232983485995 balance one as pictured on the blu tack left to right - 20mm wheel diameter and pivot height is 10.15mm. hairspring looks good. 2nd - 20mm diameter of wheel and pivot height is 8mm H/S looks good 3rd - 18.55 dia - pivot height is 8.4mm H/S looks good. 4th wheel - 20mm dia - pivot height - 8.18mm - bronze hairspring bent upwards. will be carefully packed.