ITEM: 3/816 Winged Shoulder Grade 32510 Iron Thumb Screw MSC INDUSTRIAL. MANUFACTURER: MSC INDUSTRIAL. BRAND: MSC Industrial. MANUFACTURER PART: 1EFP1017. 3/816 Winged Shoulder Grade 32510 Iron Thumb Screw 23/8 OAL, 111/16 Head Diam x 7/8 Head Height, ZincPlated Finish (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Bolts, Screws & Cap Screws. Thumb Screws & Hand Knobs. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: MSC IndustrialBolts, Screws & Cap ScrewsScrewsThumb Screws & Hand KnobsN/A.