Ultracore is for the experienced ball stretchers giving you the most gripping stretch. The Core ballstretcher has got outer ribs for extra long stretch, it sits taller on the sack with more padded grip. Also included is the Axis power ring with channel ribs inside that merge with the outside ribs on the Core stretcher. Made of our extra soft Plus+SILICONE blend, it’ll keep the grip firm enough with a smooth velvety rubbery comfortable stretch.
CORE BALLSTRECHER
Length: 2"/5 cm, Width: 2"/5 cm, Depth: 1.75"/5 cm, Outer circumference: 7"/18 cm, Inside diameter: 1"-1.2”/3-4 cm, Outside diameter: 2”/5 cm.
AXIS POWER-LOCK RING
Length: 2"/5 cm, Width: 2"/5 cm, Depth: .75"/2 cm, Outer circumference: 6.5"/17cm, Inside diameter: 1"/3 cm
DUS139767