Black Magic® 57mm AirBlocks®
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Additional DescriptionThe Black Magic® AirBlocks® feature Torlon roller bearings and carbon black balls for strength, U.V. protection and reduced wear. The unique center cage separates rollers for less friction and side load ball bearings are protected by sculpted aluminum sideplates. Dissimilar metals are isolated to minimize corrosion.
Like all AirBlocks, the three-way head swivels lock in front/side positions. Blocks are easily disassembled with a single allen wrench.
NOTE on Mfr# 1965: 1/4" - Fastener circle: 1-15/32"