Calibrated Spring System Calibrated Spring System:You Install or wrap around your favorite

or wrap around your favorite pump cylinder for the ultimate in heat assisted growth

• If you plan to use the water trick you may be able to use a size up

DOES NOT INCLUDE THE CUP OR SLEEVE

It also includes an internally mounted wiring harness which is sewn into the pad itself

That's why you need a pump with a high quality calibrated gauge

Calibrated Spring System Calibrated Spring System:You Install or wrap around your favoriteThe Massive Novelties Calibrated Spring System has gotten an upgrade! The Calibrated Spring System can be added to any existing MN Product, but is mainly geared towards being an upgrade for DIY and 1. 0 owners. The new spring system can now measure up to 20 pounds of tension! The 3D printed casing has been updated to include small guides to keep the crossbar in line with the spring system. This makes the process of increasing tension both easier to