8pcs M4x30mm Knurled Clamping Knob Stainless Steel Thumb Screws ✅
8Pcs M4 x 30mm Knurled Clamping Knob, 304 Stainless Steel Thumb Screw Clamping Knob Round Hand Threaded Hand Bolt Stud Knob 14mm Dia for Machinery. 8Pcs x Screw Knob. Material: Plastic, 304 Stainless Steel.