Read 24 row Maxi Pleater has half cm spacing across the entire width of the roller (47 needles). Half spaces can be used as guide lines when smocking and to improve holding difficult fabrics which tend to bubble. The Maxi can also be used as a Regular pleater (24 needles) by removing the half space needles (every second needle). This pleater has the following specifications Heavy duty stable base-plate with anti-skid rubber feet Extra large side-plate opening allowing for large capacity of rolled-up fabric Simple, pin-type roller holding system allows for quick and easy needle access Comfortable and user-friendly dual handles for maximum versatility Heavy-solid brass rollers Capable of handling heavy-weight fabrics