It use for furniture use  Material: zinc alloy polished nickel, good quality and durable for long using life; These shelf support pins can fit 5 mm and 6 mm shelf holes on cabinets, can meet your needs√ Bracket style shelf support size: 6 mm/ 0.24 inch in diameter, pin length is 10 mm/ 0.40 inch, and the shelf rest is 17 mm/ 0.67 inch in length, 13 mm/ 0.51 inch in width√ Spool shelf support size: 5 mm/0.20 inch in diameter, the shelf pin is 8 mm/ 0.31 inch in length and the shelf rest is 10 mm/ 0.39 inch in length√ Cylindrical shaped shelf pins size: 5 mm in diameter, overall length is 16 mm/ 0.59 inch, pin length is 8 mm/ 0.31 inch√ Package included: 15 pcs bracket style shelf support, 30 pcs cylindrical shaped shelf pins, 25 pcs flat spoon shelf pegs and 15 pcs Dowel Pin, 85 pieces in total