The polymer fuel Darts are sized to supply.40-cal. blowguns for indoor, outdoor and target-practice use. Polymer-composite construction. 50 piece/pack. Compatible with all blowguns in .40''/12.7mm diameter . Specifications: -.40 Caliber Blowgun fuel -Non-lethal plastic blunt head darts -50 count pack blowgun darts blowgun darts .40 blowgun darts stun blowgun darts 40 cal cold steel blowgun darts blowgun darts cold steel blowgun darts 40 caliber blowgun darts for hunting blow pipe darts blowpipe darts blowgun ammo blow dart gun darts darts for blow gun blow gun darts 40 caliber hunting darts for blow dart gun darts for a blow dart gun blow dart gun hunting darts blow dart gun spike darts blow gun darts 40 caliber blow dart gun ammo for hunting