Description: M6 6*60mm hex nut sleeve anchor expansion bolts. High grade stainless steel finishing, rust and corrosion resistant. Apply in concrete and masonry. Easy to install and use. Widely used in fence, burglarproof doors and window,canopy, air conditioning fixation, home decoration, DIY rall rack, shelf, engineering, etc. Each package includes 4pcs screws. Specification: Material: Stainless Steel Size: Approx. 1x6cm/0.39x2.36inch (Dia.xL) Type: M6 6*60mm sleeve anchor bolt Package Includes: 4 Pieces Anchor Bolts Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item