Designed specifically for compatibility with the APECS AP 3* Euro, our innovative removable thumbturn feature allows for interchangeable turn styles, offering enhanced flexibility and convenience. Currently, these thumbturn variants are compatible with the following sizes:

• AP35-35BSN TT (K5)
• AP35-35BSN TT KA (K5)
• AP35-45BSN TT (K5)
• AP40-40BSN TT (K5)
• AP40-50BSN TT (K5)
• AP45-45BSN TT (K5)
• AP45-50BSN TT (K5)
• AP50-35BSN TT (K5)
• AP50-40BSN TT (K5)
• AP50-45BSN TT (K5)
• AP50-50BSN TT KA (K5)
   

With 2 grub screws holding them in place, they are easily interchangable.

Currently only available in Brushed Satin Nickel.