50 pieces, 20 holes, black, 38mm, oval-shaped anti-fall lock, can bind 310 sheets of copy paper, Surelox plastic ring bind PR3820A4Z-BK, binding ring supply, GBC This is a new, unused item. Please understand that this item has been stored by an individual. Black, elongated 38mm rings for enlargement/reduction, 50 pieces. - Color: Black - Size: 38mm, 20 holes - Quantity: 50 pieces - Shape: Elongated Thank you for viewing.