NAP HellRazor. All steel! One piece! Shaving sharp with no loose blades ever. The all new HellRazor broadheads are the ultimate cut-on-contact one piece broadheads designed to maximize accuracy and penetration out of todays fast, high performance bows. The New Archery Products HellRazor features Photon Blade Bonding. Unparalleled strength, photon blade bonding is an exclusive proprietary process that permanently bonds the cutlery grade stainless steel blades. Re-Sharpenable. 4-Pack. 4-Blades .027 Thick, 1 1/8 cutting diameter.