Sliding door for quick refill100ft stringABS case for durabilityCan be used vertically as a plumb bobStainless steel hook – rust-resistantCrank folds into the case for storageBlue color suitable for both interior and exterior use SKU: TFX.0.47.443 Brand: TUF-FIX Country of Manufacture: China Supplier Part Number: TUFFIX0-47-443