Zinc alloy with gold-plated, full rotatable chestpiece, gold-plated brass / aluminum / stainless steel binaural. Accessory kit includes: 2 Diaphragms, 2 pairs of eartips, 3 Bells. 22″ colorful and transparent latex free tube for choice.

Zinc alloy with chrome plated and rotatable chestpiece, chrome-plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one Y-PVC tubing with inner spring in assorted colors.

Zinc alloy with chrome plated and rotatable deluxe chestpiece, special designed double side diaphragm, chrome-plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one Y-PVC tubing in assorted colors.

Zinc alloy with chrome plated and rotatable deluxe chestpiece, special designed double side diaphragm, chrome-plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one Y-PVC tubing in assorted colors.

Zinc alloy with chrome plated and rotatable chestpiece, chrome-plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one “A” PVC tubing with inner spring in assorted colors.

Anodized aluminum dual head chestpiece matched non-chill rings, chrome plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one Y-PVC tubing with inner spring in assorted colors.

Anodized aluminum dual head chestpiece, chrome plated brass / aluminum / stainless steel binaural, plastic or soft materials ear tips, and one Y-PVC tubing with inner spring in assorted colors.

Suitable for many kinds of Measuring equipment,and packing different kind of products: Such as Puffy Food;Shrimp Roll;Peanut;Popcorn;Cornmeal;Seed and Sugar ,which shape is roll,slice and granule.