Syringes are made of plastic, rubber, and stainless steel. The syringes can be plastic or glass, and usually have a scale indicating the volume of liquid in the syringe.
This is an excellent tourniquet making progress in the field of tactical medicine. This tourniquet also features an adjustment strap with a friction buckle to keep the strap from loosening. The strap can be easily opened and placed on the trapped arm or leg.