M6(1/4″) 304 Stainless Steel Butterfly Wing Nut Set DIN315 Hand Twist Tighten…

M6(1/4″) 304 Stainless Steel Butterfly Wing Nut Set DIN315 Hand Twist Tighten Hardware Nut Fasteners Parts(20PCS). Twisting the nut by hand, you can fasten two parts(structures)together easily. Tools are not needed to install this product.