Stethoscope Free shipping MultifunctionDouble tube medical stethoscope,stethoscope professional,Fetal Heart stethoscope 2pcs/lot 

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Shipping:

Free shipping by China Post Air Mail(15~35 working days) to some countries, not all, within 3-8 business days delivery, not including festival or holiday.

Material: steel, plastic tube, spring blade

Hardness of spring blade: HR15N82.9-88.4.
Earrings stretch: Two earplugs are pulled open 140 mm, the elasticity value is between 1.372 to 1.960 N.

Large oblate head diameter: 45 mm.

Small oblate head diameter: 30 mm.

Large bell head diameter: 34 mm.

Medium bell head diameter: 25 mm.

Small bell head diameter: 20 mm

Tube length: 58 cm

Material of Diaphragm: High quality polyester material, Wear resistance, sound no distortion.

Head:high quality zinc alloy material,fine workmanship, flexible rotation axis, can be turned 180 degrees and smoothly change auscultation surface. Earrings adjustable design, can adjust by yourself.

Tube is soft, not easy ageing.

Earplugs: high elastic PVC composite material, wear comfortable, no leak of sounds, easy disassembly cleaning.

We send gifts freely, including:

1x Large bell head,

1x Medium bell head,

1x Small bell head;

1x Large diaphragm,

1x Small diaphragm;

1x Name tags.