![Just purchased a bottomless portafilter. It locks in this position. I measured the "teeth" and they are 5.5mm. The old one is 6.3 mm. The seller has 5.5, 6 and 7 mm. Just purchased a bottomless portafilter. It locks in this position. I measured the "teeth" and they are 5.5mm. The old one is 6.3 mm. The seller has 5.5, 6 and 7 mm.](https://i.redd.it/7ljgreyhwhb61.jpg)
Just purchased a bottomless portafilter. It locks in this position. I measured the "teeth" and they are 5.5mm. The old one is 6.3 mm. The seller has 5.5, 6 and 7 mm.
![Coffee Bottomless Portafilter Naked 58MM For GAGGIA Classic Replacement Barista Espresso Maker Cafe Machines Accessories Coffee Bottomless Portafilter Naked 58MM For GAGGIA Classic Replacement Barista Espresso Maker Cafe Machines Accessories](https://ae01.alicdn.com/kf/S3312a87a7cca42879ff1bc4defda83baa/Coffee-Bottomless-Portafilter-Naked-58MM-For-GAGGIA-Classic-Replacement-Barista-Espresso-Maker-Cafe-Machines-Accessories.jpg)
Coffee Bottomless Portafilter Naked 58MM For GAGGIA Classic Replacement Barista Espresso Maker Cafe Machines Accessories
![Stainless Steel Gaggia Bottomless Portafilter 58mm | Portafilter 58mm Wood Naked - Coffee Filters - Aliexpress Stainless Steel Gaggia Bottomless Portafilter 58mm | Portafilter 58mm Wood Naked - Coffee Filters - Aliexpress](https://ae01.alicdn.com/kf/S30a9e90cd1624f1cbd67447b581229c2K/GAGGIA-Bottomless-Naked-Portafilter-Coffee-Espresso-Stainless-Steel-Coffee-Handle-58MM-Wooden-Coffee-Machine-Filter-Portafilter.jpg)