1-inch Gauge Block with AS-1 Grade Inspection Certificate, Steel Rectangle, 1" The side with a silver

The side with a silver spot in the middle must be facing the wrist

Etch pump and distributor tubing used to accelerate etching

2 programmable buttons

carrying case

1-inch Gauge Block with AS-1 Grade Inspection Certificate, Steel Rectangle, 1" The side with a silver1 Inch Gauge Block, AS 1 Grade with Inspection Certificate +10 in deviation from nominal length Steel construction for long lasting durability Nominal size is printed on the front, identification number printed on top Rectangular base (Overall dimensions: 1" x 0. 35" x 1. 37") Ideal for calibrating measuring equipment such as micrometers, sine bars, calipers, and dial indicators.