Velbon Ultra QB-157 tripod accessory

QB-157 Quick Release for Sherpa tripods PH-157Q Head Velbon QB-157 quick release fits on PH-157Q standard head and is ideal for Velbon Sherpa 250, 250N, 250R, 450, 450N, 450R, 600, 600N, 600R, 750, 750N, 750R, 1000, Super Chaser II tripods. If we look at its dimensions, it is 42 mm long as well as 42 mm wide. The quick release has hexagonal shape design. The 1/4 x 20 female thread facilitates you to mount any camera/device on the head easily and rapidly.