CLOCK KEY with 'butterfly' style handle

Details This is the most common type of key, if in doubt choose this style. Available in sizes 00 to 13. Not sure which size? Measure the edge of the winding peg and click here for a conversion chart. These are now available to special order only, please allow 4 to 6 weeks.  Size: Size 00 (2.0), Size 0 (2.25mm, Size 1 (2.5mm), Size 2 (2.75), Size 3 (3mm), Size 4 (3.25mm), Size 5 (3.5mm), Size 6 (3.75mm), Size 7 (4mm), Size 8 (4.25mm), Size 9 (4.5mm), Size 10 (4.75mm), Size 11 (5mm), Size 12 (5.25mm), Size 13 (5.5mm), Size 14 (5.75mm), Size 15 (6mm), Size 16 (6.25mm)