3/8"-16 Thumb Screw Bolts - Black 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 Material: High-quality Stainless Steel 18-8, offering excellent durability and corrosion resistance Knob Dimensions: 1 1/2" Wide x 7/16" Thick; the cap does not affect the stud length Thread Specifications: 3/8"-16 Standard Coarse Thread Sizes Available: Multiple lengths available from 3/4" up to 3", ensuring a fit for various applications Thread Length Options: Full thread up to 1 1/2" 1 1/2? thread on 2? studs 1 5/8? thread on 2 1/2? studs Premium Quality: Crafted in the USA from high-quality stainless steel for outstanding durability and resistance to corrosion Ease of Use: The 6-point fluted hand knob allows for easy, tool-free tightening and loosening Versatile Application: Ideal for a wide range of uses in both industrial and home settings Pack Options: Available in packs of 2 and 4 to suit your project needs Customization Available: For additional sizes, threads, and colors, please visit our store For additional sizes, threads and colors, please visit our store Here 100% Customer Satisfaction Rating Fast and Free Shipping with Tracking Made in USA