Mega Jul Belay Kit Bulletproof ScrewBelay set containing Mega Jul belay device and HMS Bulletproof Screw FG carabiner. Small eyelet for releasing unit with a carabiner when bringing up your partner For belaying a leader or bringing up 2 seconds, also suitable for abseiling Rope can be paid out faster to a leader by holding device in the open position with the thumb Robust solid stainless steel construction High braking performance assists the belayer with leader falls Suitable for 7.