3/8"-16 Thumb Screw Bolts - Red Round Fluted 6 Point Clamping Hand Knob 2 and 4 Packs Available Stainless Steel 18-8 Clamping Knob Dimensions: 1 1/2" Wide x 7/16' Thick (Cap does not affect length of stud) 3/8"-16 Standard Coarse Thread Sizes Available: Available in: 3/8 x 3/4", 3/8 x 1in, 3/8 x 1 1/4", 3/8 x 1 1/2", 3/8 x 2in, 3/8 x 2 1/2", 3/8 x 3in Thread Length Options: Full thread up to 1 1/2" 1 1/2? thread length on 2? stud 1 5/8? thread length on 2 1/2? stud Features and Benefits: Trusted Premium Quality: Crafted in the USA from high-quality stainless steel, these thumb screws offer outstanding durability and corrosion resistance. Easy to Use: Designed for efficiency, the 6 point handle allows for quick, tool-free tightening and loosening thanks to their intuitive knob design. For additional sizes, threads and colors, please visit our store Here 100% Customer Satisfaction Rating Fast and Free Shipping with Tracking Made in USA Shipping Free Shipping via USPS Ground Advantage, or Priority Mail on large or heavy orders. Orders are generally shipped same day or next on weekdays. Returns We accept return within 30 days from the receipt of the item for refund. Similar items 3/8" Thumb Screw T Bolts Yellow Tee Wing Plastic Clamping Knob Stainless Steel $13.59 (description exceeds maximum possible length)