| http://www.w3.org/ns/prov#value | - Set includes 5 pen-style pocket level with magnetic tip and V-grooved edge for conduit; a 3 standard line level that hooks to a mason???s line to set level and measure height variances; a 3 multi-pitch level to measure slope from 1/2 to 1/8 per foot; 1??-dia. bull???s-eye level for squaring up appliances, pool tables and other flat surfaces; and a 1?? keychain level made of durable acrylic.
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