BTS bands are made of primeline natural latex, yielding the highest performance power bands. The fittings of Grivory GV5H feature an exclusive wrench fitting shape to make them easier to screw and unscrew.
Performer2, Band Energy & Band Performer model bands come with 2pc (one left and one right) to thread into each side of the muzzle.
Band Energy Circular model bands are 1pc continuous band that passes through a muzzle and connect with a thread on wishbone.