SYL 920# Glide Gear Skater Video Camera Dslr Dolly Glide Gear SYL 920 Skater Dolly - Carry Bag - Glide Gear Lifetime Warranty Precision extruded industrial grade anodized aluminum construction Engineered to have scaled adjustments to make precise shot sequences and precise adjustments to the shooting process Adjustable aluminum axles can also be locked in place High quality durable and sealed bearings on both sides of each wheel