These Firewire Initiators are a great alternative to igniters (e-match). Unlike traditional igniters these Firewire Initiators are NOT regulated by the ATF. Each box contains 40 each 2m Twist Lock Firewire Initiators. Made with 24AWG wire. The Twist Lock shroud is a quick easy and safe way to match compatible products without the need for tape or tools. Compatible with these 76 Pro Line items: Comets (Single Shot CM200+) Mines (Single Shot MN200+)FanSlices (All)FanSweeps (All)SuperSweeps (All)Lollipops (All)Gerbs (SE107 SE108 SE113)Color Gerbs (SE127A-SE130A)Small parcel shipments must ship USPS or FedEX Ground Hazmat (subject to Hazmat Fee) (Product not eligible for other promotions or discounts)