This lawn mower from Webb has a cutting width of 33 cm, great for more precise cutting.
From Tooled Up
Webb WEV20LM33 20v Cordless Brushless Rotary Lawnmower 330mm 1 x 4ah Li-ion Charger
Wilko
Webb WEV20LM33 20V Hand Propelled 33cm Cordless Lawnmower With 20V 4ah Battery and Charger
Robert Dyas
Greenworks Webb 33cm (14'') Cordless 20v Rotary Lawn Mower with 20v 4Ah Battery and Charger