13 brass jaggs from 17 to 45 caliber (17; 20; 22; 243/6mm; 25/6.5mm; 270/7mm; 30/32; 338/8mm; 35/9mm; 375; 40/416; 44 and 45). 8-32 threaded. Storage case with marked cavities, hinged clear lid, and screw holes that allow box to be mounted on a wall. Standard thread sizes. Solvent proof coating prevents false bluing on patches. Pointed tip for easy patch penetration. Slotted grooves hold solvent for maximum cleaning and hold the patch securely on the jag. Clam packed.