SPI High Precision Adjustable V-Blocks 91-300-4

2 piece set

Features:

• Precision made tool that performs all of the functions normally requiring the use of various blocks, shims or non-precision machinist jacks. supports single and multiple diameter shafts, bars, etc. by quickly adjusting height.
• Hardened and ground anvils support up to 1000 pounds.
• Wide angle 120º V with 2-3/4 opening accepts 3/16 to 5" diameters.
• Top flats ground parallel to base
• position lock prevents vibration creeping
• Total height adjustment 9/16", 0.050" per revolution, 0.001" dial increments
• Base dimensions: 4" W x 1-3/4" L
• V-Opening: 2-3/4", 13/16" wide
• Height: Approximately 3" closed, 3-9/16" opened