AP Bands Bundle Easy Strap Change Tool and Screwdriver Made for Audemars Piguet Watches. Change Royal Oak and Royal Oak Offshore Straps with Ease AP Bands proudly introduces our custom design Easy Strap Changing Tool For Audemars Piguet Watches. This works specifically on the Royal Oak and Offshore cases which require 2 screwdrivers to change a strap. No more with our own tool! Built of heavy 316L Surgical Grade Stainless Steel. Rubber bottom to assure there is no slip when you change the strap on your Audemars Piguet watch. Easy Change flat head screw to replace tips. 1 Piece is only included. With this bundle a 1.4mm screwdriver is included.