Packaged in packs of 8 this st dupont reference 640 blue stone is compatible with the entire line of st dupont d - light lighters. . - mark : . st dupont. - colors: . blue . - matter : . rock . - presentation : . lot of 8 stones delivered in a carefully packaged and protected blister. . - specificities : . stdupont is a major brand with a worldwide reputation. she offers you here a lighter case designed with the greatest care and meeting the quality standards that have made the reputation of the st dupont house since 1872. . st dupont lighter flints blue 640: . . compatible with an st dupont ligne d - light lighter. to extract each stone pierce the aluminum foil that closes the plate. . - dimensions: . stone: length x diameter (mm) 4 x 2 mm