Specification Model No. Round shape dial of 0147mm Special precise mechanism Metal caster 360°swivel for easy reading (P1) Gradient adjust for easy reading (P2) 5-wheel with brake The height of aluminum pole is adjustable (The range is from 95 cm to 135 cm) Metal basket 1077 Nylon cuff with D-ring 134N-A 2-tube adult latex bladder 1212-A Standard latex bulb 142 Air-release valve with spring 1522 Standard end valve 1551 Spiral PVC tube (1.8 m) 1413 Plastic connector 1567