CooperSurgical Nichols-Vaginal Retractor (Different Sizes) Sizes: CooperSurgical 433-460 Nichols-Vaginal Retractor, 2.5 cm Blade Width.CooperSurgical 433-461 Nichols Vaginal Retractor, 4cm Blade Width.CooperSurgical 433-462 Nichols Vaginal Retractor, 5cm Blade Width.CooperSurgical 433-463 Nichols Vaginal Retractor, Short Blade, 2.5 cm Blade Width.CooperSurgical 433-464 Nichols Vaginal Retractor, Tapered Blade. Specifically designed to retract redundant tissue and improve surgical exposure. For...