We have a full range of replacement MILA UPVC centre case gear box locks. These are used to replace the centre section of a failed MILA UPVC Multi Point Door Lock. The MILA centre case gear boxes come in a range of sizes including 25mm, 28mm and 35mm. As one of the UK's most popular UPVC door locks, the MILA replacement centre cases offer an affordable repair solution to fix your broken or faulty MILA UPVC door lock. For more information regarding key measurements and identification, please see the UPVC Door Lock Identification guide.