Material: Steel, zinc plated. The assortment box is made from impact-resitant plastic of premium quality and is filled with KL-Retainers matching BEKbolts with groove/clevises/clevis joints. Contains 880 pieces. Weight 1.8 kg. Size Amount 3 100 4 100 5 100 6 100 8 100 10 80 12 100 14 80 16 100 24 20