Fixed Arm Trough Foam Pad Right Masks Navy Blue 27 * The 416700 Navy Blue 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2 in 1 tube design eliminates tube rubbing noise * Portable convenience of a single sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm 4kg (based on size ENH99C) Varies by size * Washable: Cushion can be easily cleaned with soap and water Right Arm Trough * Provides front of hand protection * Black molded heavy duty plastic with black foam padding or imitation lambskin padding * Pre installed Adjustable Height Channel Bracket is armpad height adjustable * Optional strap kit helps keep arm in trough (Item No