Material: Made of carbon steel, copper plated to form a stable oxide film on the surface, anti corrosion, anti rust. | Color: Smooth rivet, hard and stable, beautiful color, noble and generous. | Usage: Elaborately dual head screw, can easily bind or remove with a simple standard screw driver. | Applications: Suitable for all kinds of leather craft, such as belt, bag, shoes, cloth, leather bracele

Made Of high quality 4.8 Grade Carbon Steel. Good elasticity, high hardness, good wear resistance, smooth surface and no burr.Sturdy and durable. | Corrosion Resistance and Anti-rust With Zinc coated .Suitable for indoor and outdoor use and humid environment. | Adopt hairpin design, can fast, safe and effective lock bolt, prevent relative rotation, durable. | Suitable for use with Tractors, Farm Equipment, Trucks, Cars, Campers, Lawn and Garden Equipment, etc. | Model: M4x85. Package Included:5 PCS.

Packing: 1 pair, material: rubber, angle: flat angle. | The inner diameter is 36mm (1.42in), suitable for 32mm (1.26in)-36mm (1.42in) stereo microscopes. | It can block stray light, facilitate observation, protect eyes, and make work comfortable. | Designed to reduce impact, better protect your eyes, and help create the perfect distance between eyes and tentacles. | Suitable for stereo microscopes.