Ring Mandrel Expander

: In stock

Regular price $59.98


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Operation Manual:
(1)Measurement Pole:16.5cm long with four types of international standards to support different types of measurement.
(2)Detachable T-shape Rotary Handle:
a)First, rotary the handle in an anti-clockwise direction until it gets stuck.
b)Hold the ring stretcher in an upward direction, then horizontally insert the ring into the Measurement Pole.
c)Rotate the handle in a clockwise direction, at this moment, the Measurement Pole would expand and stretch the ring. When the ring reaches the suitable size, rotate the handle back in an anti-clockwise direction until it gets stuck again, this time the Measurement Pole would contract, so the ring would fall down slowly. Finally, take out the ring.
d) If one stretching procedure does not enough reach the required size, the user can proceed with a second stretch without taking out the ring. However, the user must consider if the ring material can support the second stretch.?
(3)End-Point-Indicator: When the T-shape Handle rotates clockwise to its end-point, a black indicator can be seen on the top of the Measurement Pole.
(4)Detachable handle: It can be detached by rotating anti-clockwise direction besides being detached it can save storage space.
Transform Set:(Sold Separately): To further enhance the stretching power of the portable ting stretcher, simply attach the exclusive base plus 3 Handle to transform it into a Desk Top Ring Stretcher.

 Weight:about 1.15kg.

Suitable Ring:

  • Foe silver, All kinds of Golden Ring, Platinum and Platinum K.
  • (Remark: Tp achieve the best result for hard metals such as Platinum and Platinum K, it would be better to stretch once otherwise, it needs to increase the toughness of the metal)


Technique Parameters:

  • U.S Size: NO.1 to 14(US)
  • Japan Size: NO.1 to 32(No)
  • Hongkong Size: NO.8 to 32(No)
  • European Size: NO.41 to 74(U - Circumference)


Package Included:
  • 1 x Hercules Ring Stretcher

    Caution(Must Read Carefully):
    • 1)Test Several Times with silver ring by rotating slowly the rotary handle to keep track of the skill.
    • 2)Ring set with many gems is not suitable for this device.
    • 3)When Measurement Pole is expanded, the marks on the pole reach the standard.
    • 4)When rotating the Rotary Handle, do not rotate any further once it gets stick, otherwise it will damage the tool.
    • 5)Usually for one stretching procedures, the ring would widen by ine U standard size.

    Shipping Policy

    Shipping cost is charged by the shipping agency according to the destination, the weight and the shipping method.

    Delivery time depends on the destination and the shipping method you choose. Phyhoo offers the following shipping methods to ensure the safe delivery of your package

    • FedEx, DHL and UPS are the fastest delivery methods available. Delivery time is 3 ~ 7 days to all major destinations. Products weighing more than or equal to 2KG will be shipped by FedEx, DHL and UPS by default.

      According to your shopping cart, the system will automatically choose the most economical way for you from DHL, UPS and FedEx.

    • EMS will take 7~21 working days to arrive. Products weighing less than 2KG can choose this shipping method.

    Orders are processed and delivered Monday-Saturday (excluding public holidays)

    Tip: Phyhoo is not responsible for the shipping delay that caused by the severe weather, such as stormy snow or other causes that beyond our control.

    30 Days Returns

    We are proud to guarantee 100% satisfaction with all items you purchased on phyhootool.com. If there is any dissatisfaction with your purchase for any reason, full refunding, Unconditional Return and 100% Exchange could be accepted within 30 days from the date of delivery.

    Ring Mandrel Expander

    Regular price $59.98