Specs:

• Compatible with skates that use 5/8" adjustable stoppers.
• See grindstone bolt on stoppers for bolt on toe stop style 
• Sold as a pair

long stem is compatible with nut and washer toe stop system, e.g. moxi beach bunny’s, darts (regular, ombré, pixel) r3, moxi panther, moxi Lolly (standard plate) Bont Parkstar with tracer plate 

Short stem is compatible with any Allen key toe stop system, avenger and avanti plates, Riedell fuse, reactor neo & pro plates