4 Size Wing Screw Kit: This 60 pcs set covers the commonly used sizes, 4mm x 25mm, M5 x 30mm, M6 x 40mm, and M8 x 50mm, each size has 15 pieces. Ideal for mechanical equipment, computer monitors, and DIY furniture assembly
Ergonomic Wing Knob Design: Featuring a wing knob shape, these thumb screw fasteners provide a comfortable grip that allows for quick tool-less installation. Screws can be tightened or loosened easily by hand, even in tight spaces or with gloves on
Durable Carbon Steel: Cididu bolt knob is made of carbon steel material, sturdy and compact, wear-resistant and rust-resistant, durable. The top hand screw head is made of high quality plastic, smooth and burr-free overall
Secure Fastening: Each Z type handle thumb screws features clean threads that ensure smooth installation and a tight, wobble-free fit. It can provide a safe and firm clamping action, and the tightening control can be adjusted at any time
Widely Used: These hand tighten screws are applicable to various scenarios, including furniture assembly, clamping fixtures, jigs, mechanical equipment, woodworking, and DIY hobbies. A must-have for any handyman, mechanic, or DIY enthusiast