Derby Laces Spark / Blue Size:96in (244cm) The Sure-Grip Gind Blocks are

The Sure-Grip Gind Blocks are an ideal roller skate attachment allowing for grinding and sliding at the skate park

and advanced manufacturing techniques make the Jack 2 built for the highest performance maneuvers to withstand the stresses of landing high airs

5mm allen key required for adjustments (not included)

Covert Knee pads offer Triple 8's slimmest

Wheel Overview:

Derby Laces Spark / Blue Size:96in (244cm) The Sure-Grip Gind Blocks areDerby Laces Spark Blue are 8mm wide skate laces with strong metallic fibers, high performance braid and hardened plastic tips. Suitable for roller derby and other high performance skating. Sold as a pair. Note: The dye from these laces may rub onto footwear and clothing during contact. Details Performance Metallics SPARK by Derby Laces create a natural friction when tightened to help them stay tied, tight, and where you want them while skating.