3/8" Thumb Screw Bolts with Black Tee Wing Knob Multiple Lengths Industrial Grade 2 / 4 / 8 / 12 Packs Available Stainless Steel 18-8 3/8"-16 Standard Coarse Thread Delrin Thermoplastic Butterfly Tee Wing Knob is 1 3/4" Wide Tee Cap Does Not Interfere with Length Clamping Knobs for hand tightening without the need for a wrench for quick access 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 Material ? Stainless Steel 18-8 Visit our store for additional sizes, colors, and fine threaded bolts, under, Store Category: Thumb Screws Standard. Plastic Head Thickness: 3/8" x 1 1/2" Premium Quality Product Use drop down box for needed quantity size 2 pack, 4 pack, 8 pack, 12 pack, available Thumb screws offer a hand-adjustment feature, which allows for simple action to fasten, tighten, loosen, or remove the screws. However, they are also ideal for applications in which space is too restricted to allow enough clearance for the use of tools to fasten the screw. These can be used to secure material without using a wrench. They can also be used for: Panels Vices Clamps Router Table Camera Tripod Power Tools Woodworking Jigs Tile Saws Chop Saws Microphone Stands Visit our store for additional thumb screw options 100% Customer Satisfaction Rating Fast and Free Shipping Made in USA