First Aid Only® Isobutane Propane Skin Refrigerant, 4 ounce Spray Can, 1 Each Muscle Stimulators Easy to read accurate instrument offers versatility E1 3 Easy to read accurate instrument offers versatility for measuring large and small joints * Features includes: 4X magnifying lens to read the dual 180 degree high resolution scale and 2 stainless steel arms extending 9 to 26 * Constructed of chromium plated brass * 360 degree arm rotation (both directions) * resistance swivel * Compact lightweight and portable * Smooth precision glide * Total extended length: 22 1 4 Shipping Carton Size: 9 L x 7 W x 5 H * The anti itch medicine absorbs quickly to provide fast acting relief Topical skin refrigerant uses isobutane and propane to draw heat away from burns resulting in less swelling and pain