4.5″ terrazzo diamond disc
A 4.5-inch diamond disc for terrazzo is a specialized abrasive wheel used with a standard 1 $4frac{1}{2}text{-inch}$ angle grinder ( 2 $text{115mm}$ ). 3 Terrazzo is a composite material made of chips of marble, quartz, granite, or glass set in a cementitious binder. Because it is a hard, masonry-based material, it requires a diamond disc for effective cutting, grinding, or smoothing.
Aluminum ladders 4 by 4M (4.7M)
The “4 x 4” (or 4×4-step) tells you the ladder’s construction, while the “4.7M” is its approximate maximum length when fully straightened. Term Meaning Typical Specification 4 Number of Sections/Folds The ladder is built in four hinged sections. x Connector Indicates the multiplication of sections and rungs. 4 Rungs per Section Each of the four sections contains 4 rungs (or steps). Total Rungs (4 sections $times$ 4 rungs) 16 rungs total. 4.7M Approximate Maximum Extended Length When fully straightened, the ladder reaches a length of approximately 4.6 to 4.7 meters (about 15.1 to 15.5 feet).
