5 Pack Stainless Steel 12" / 30cm Rulers - Imperial Inches and Metric Millimeters5 Pack 12" 30cm Stainless Steel Rulers (Imperial Inches Metric Millimeters) Graduated in 12 inches on the bottom and 30 centimeters in the center Graduation marks at 1 20", 1 10", 1 2" and 1 inch. For metric; every 1mm, 5mm, 10mm, and 1cm. Each ruler has a hole on one end for hanging and comes with a protective sleeve for storage The other side of the rulers feature an inch to millimeter conversion table, tap drill reference table, and required hole

recording and display of screens recording and display of screens

1 x Thermocouple

Accuracy DC: ±1% to 20KV

Supports English/Chinese/Picture display

AOS (Algebraic Operating System)

Made in the USA

easy tip changes

Memory mode "freezes" pulse display

Output switch off function (output standby)

Rigol DP831A Programmable DC Power Supply - 1 pc

Color printout

Tests TTL and CMOS