Extender Inflatable 1 2 Leg 6 for #7450AD or 7450AS Lamps Magnifying Examination Easy to read accurate instrument offers versatility Select Ear:Left Ear 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 * 6 * Provides maximum cushioned support for comfortable floor exercises and to help protect against injury * Made of high density polyethelene a lightweight and non PVC fabric like material it is waterproof wear resistant and designed for repetitive use by physical * therapists and in fitness clubs * Washable with soap and water and easy to care for * Includes pre drilled hanging holes and two elastic straps for easy storage options * 9 varieties all 75 long * Shipping Carton Size: 42 L x 12 W x 10 H This extender will fit #7450AD (you would need 2) or #7450AS