Size 7F/5F/4F Detachable Pet Dog Grooming Blades of Stainless Steel,Compatibl...

SIZE：7F Blade Cutting length 1/8 In（3.2mm）,5F Blade Cutting length 1/4 In（6.3mm）,4F Blade Cutting length 3/8 In（9.5mm.

eBay