The larger models from world-renowned Renomed. 

FS5: Great all purpose scissor for larger flies, straight blade, 5.9 inches in length. 

FS6: Same as FS5, curved blades.

FS7: Same as FS5, rounded tips. (For those prone to stabbing themselves)

FS8: Same as FS7, but with SuperCut serrated blades, great for large scale spun hair or synthetics trimming

FS9: Same overall length as FS5 but with extra long blades. 

FS10: Same as FS9, rounded tips.