Specification:
1.Chrome plated metal case
2.Stainless steel handle
3.Material of gauge: Zinc alloy
4.Material of valve: copper , with sping
5.Nylon or cotton cuff
6.with metal ring / without metal ring
7.standard bladder with single tube or double tube
8.standard latex bulb or PVC bulb.
9.1-tube or 2 tube 

Feature:
This high-performance model integrates the inflation system
with the manometer gauge for easy single-hand operation
The traditional one tube design is interchangeable only with
other one tube cuff or 2 tubes cuffs 
The traditional one tube design is interchangeable
only with other one tube cuff