Trelawny Scraper Blade Holder, (yoke) 5/8" hex shank Go to amazon.com Related posts Top 10 best scraper blade holder Feature5/8" (16MM) Hexagon Shank.4" Blade Yoke for the Long Reach Scalers including Python & 3B/PG Scaler Description4" Scraper blade holder, for the Pneumatic Long Reach or Python models. Choose from 4", 8" or 12" sharp tempered steel blades.