Like this one: https://www.ikea.com/nl/en/p/espevar-slatted-mattress-base-dark-grey-s39125...
A bit smaller:
IKEA Espevar slatted bed base
20 cm high
190cm long
134.5 wide
Very good condition.
Will be disassembled for transport.
Must be collected before 11th April
Espevar IKEA bed base (no legs) (Whoberley CV5)
This offer has been gifted to someone and is no longer available.