CAM operated - set adjustment screw just once for entire set of pistons
Insert a full set of pistons in half the time, with half the work
Wrinkle band can't slip down into cylinder
1. LOW FRICTION! Wrinkle Band cuts friction in half. Rings slide in easily. 2. WRINKLE BAND! Can't slip down into cylinder. 3. CAM OPERATED! Set adjustment screw just once for entire set of pistons. 4. FASTER! Insert a full set of pistons in half the time, with half the work!