Overview Reviews Product Description The SC8MM are plastic sleeves that fit over an 8mm threaded cymbal post to protect cymbals. The protect cymbals from keyholing. WARNING: Cancer and Reproductive Harm Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Gibraltar Gibraltar SC-CS8MM 8mm Cymbal Sleeves Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments