Delrin Plugs insoles It is the result of

It is the result of more than 3 years of research and development

Skaters have the extra protection from a compression-molded foam pad with a raised top around the joint area

14mm (9/16") removable socket wrench for  truck action nuts on Tracer and Prodigy plates

Thread Types Available:   Metric and US Threads (Please Specify when Ordering)

Adjustable sturdy polyurethane toe stop

Delrin Plugs insoles It is the result ofDelrin Jammerz products are made in the USA from a durable high quality plastic so tough that it's been known to work as replacement for metal. Because of its high tensile strength, overall durability and toughness this jam plug is perfect for dance moves that require your jam plugs to come in contact with the ground. Jammerz Delrin plugs can be used for sliding and spinning techniques. Please use caution as the plugs will be very slick on the roller