• 4pc. Let-Down Key Set

4pc. Let-Down Clock Key Set

Use to wind clocks, as a key gauge, or to release mainsprings. Comes with a handle and 3 chucks. Sizes 5/6, 7/8, 10/12.

Out of stock

$33.75

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SKU: KLD-04
  • Use to wind clocks, as a key gauge, or to release mainsprings. Very helpful for the disabled or elderly.
  • Comes with a handle and 3 chucks (sizes 5/6, 7/8, 10/12)
  • American made

Key Sizing Chart

Key No.American SizesSwiss SizesWatch Sizes
#000001.6mm1.25mm
#00001.8mm1.50mm
#0002.0mm1.75mm
#002.2mm2.00mm2.00mm
#02.4mm2.25mm1.90mm
#12.6mm2.50mm1.80mm
#22.8mm2.75mm1.75mm
#33.0mm3.00mm1.65mm
#43.2mm3.25mm1.60mm
#53.4mm3.50mm1.50mm
#63.6mm3.75mm1.40mm
#73.8mm4.00mm1.30mm
#84.0mm4.25mm1.20mm
#94.2mm4.50mm1.15mm
#104.4mm4.75mm1.05mm
#114.6mm5.00mm1.00mm
#124.8mm5.25mm.95mm
#135.0mm5.50mm
#145.2mm5.75mm
#155.4mm6.00mm
#165.6mm6.25mm
#175.8mm6.50mm
#186.0mm6.75mm
#196.2mm7.00mm
#206.4mm7.25mm
#216.6mm7.50mm
#226.8mm7.75mm
#237.0mm8.00mm
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