Material:
Carbon Steel, Stainless steel

Finsh:
Zinc Plated, Yellow Plate, Nickle Plated, Hot Dip Galvanized

Metric Size:
M4x20mm, M4x32mm, M4x38mm, M4x46mm, M4x60mm
M5x37mm, M5x52mm, M5x65mm, M5x80mm
M6x52mm, M6x65mm, M6x80mm
M8x37mm, M8x52mm, M8x65mm, M8x80mm

Inch Size:
1/8XS 4XS, 1/8S 4S, 1/8 4SL, 1/8L 4L, 1/8XS 4XL
3/16S 5S, 3/16S 5SL, 3/16L 5L, 3/16XL 5XL
1/4XS 6S, 1/4L 6L, 1/4XL 6L
5/16S 8S, 5/16S 8SL, 5/16L 8L, 5/16XL 8XL