GapCap is THE ULTIMATE SAX CARE CAP and won "Outstanding Product" designation from The Saxophonist Magazine.

Don't risk your saxophone with loose fitting end plugs, end caps and sax cases. GapCap flexes to fit your sax perfectly, screw adjusts to fit your case, shock absorbs impact, and vents air through the top and side for a cleaner saxophone and longer pad life.

Spring wall design flexes to fit the neck socket of all saxophone brands.
Flex spring wall serves as a shock absorber to decrease impact that can break your sax.
Instantly fix a loose fitting sax case by expanding the GapCap screw, securing your horn to help prevent bent keys, a bent sax body, and costly repair.
Use the optional Lock Nut included to hold your favorite position.
GapCap vents through the center and side to allow massive airflow into the saxophone body tube. A proven way to keep the saxophone cleaner and help pads last longer.
Ditch your old sax end plug and go with a GapCap to flex, expand, vent and protect your saxophone.

Flex wall spring fits the sax perfectly
Shock absorber protects from impact
Vented at top and side to air dry the sax and pads
Expanding end cap to fit any sax case
Octave key protection like nothing else