They are in square shank and round shank with sharp point or round point
Material: Carton Steel, Stainless Steel
Finish: Plain(Oiled), Black, Zinc Plated, HDG
Usual Specification: 14 by 14 by 150mm, 16 by 16 by 165, 3/8 to 5/8" by 3-1/2 to 8-1/2" or according to the customer requirements