Pro 9PC Hose Clamp Clip Plier Set Swivel Jaw Flat Angled Band Automotive Tools. The Extension Clamp’s Vice-Like Design Ensures You Won’t Drop The Part It’s Holding Until You Loosen The Tension Nut. From Auto Body To Airline Maintenance, Never Lose Parts Again As The Clamp Has To Be Loosened In Order To Release Whatever It’s Clamping.