Pair 1-2-3 Block Set 0.0001'' Precision Matched Milling Machinist 23 Holes - with Screws Wrench Case

Description: Made of hardened steel and precision ground Cross drilling design allows efficient use of lower weight with maximum strength 23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes For clamping support, installation design and inspection work Easy to use, high quality, durable Specification: Precision: 0.0001" Size: Approx.25x50x75mm/0.98x1.97x2.95 inch Color: Silver Material: Premium Steel Package Includes: 1 Pair of Blocks 5 Pieces Screws 1 Piece Wrench 1 Piece Case