Testers & scales calibrated before despatch

Gem & precious metal testers, since 1986

Clock Key / crank type

Clock Key / crank type



Regular price
Sale price
Regular price
Unit price
inclusive of VAT. Shipping calculated at checkout.
Select size Reference Price (Inc. VAT)
Size:00 CLOCKEY/C-00 £2.40
Size:0 CLOCKEY/C-0 £2.40
Size:1 CLOCKEY/C-1 £2.40
Size:2 CLOCKEY/C-2 £2.40
Size:3 CLOCKEY/C-3 £2.40
Size:4 CLOCKEY/C-4 £2.40
Size:5 CLOCKEY/C-5 £2.40
Size:6 CLOCKEY/C-6 £2.40
Size:7 CLOCKEY/C-7 £2.40
Size:8 CLOCKEY/C-8 £2.40
Size:9 CLOCKEY/C-9 £2.40
Size:10 CLOCKEY/C-10 £2.40
Size:11 CLOCKEY/C-11 £2.40
Size:12 CLOCKEY/C-12 £2.40
Size:13 CLOCKEY/C-13 £2.40

Buying in bulk or need help? Email us today

Pickup available from Quicktest (WD18 8PH)
Email us or call on 01923-220206 for appointment.


Suitable for very heavy clocks and clocks that are screwed to walls. Available in sizes 00 to 13. 

Not sure which size? Measure the edge of the winding peg and click here for a conversion chart.