Your Ultimate Addons adapter for existing 3 hole AMPS to 4 hole AMPS.
UltimateAddons 3 Prong Adapter plate with 4 hole AMPS connector has been designed to allow users to use their existing 4 hole AMPS layout (30x38mm size between holes) mounting attachments with any of the UltimateAddons holders & cases which are fitted with the unique 3 prong patented design.
The adapter plate simply screws into the 4 hole amps plate and had 3 prongs on the opposite side, allowing the user to attach the UltimateAddons Branded Holder or Case. This offers flexibility for users to mix and match their new & existing mounting accessories.