Rulers

A ruler, also known as a rule, is a flat, straightedge measuring instrument with equally marked spacing etched or moulded along its length. The spacing forms a measuring scale of either metric or imperial measurements, which are usually in increments of centimetres (cm) and millimetres (mm) and inches (sometimes denoted as ") respectively. Rulers are used to measure the length of an object or its edge precisely and as a guide for drawing or scoring straight lines. Some rulers have measurements on both sides. The edges of rulers are often bevelled to reduce measurement errors.

Who uses rulers?

The better question may be 'who doesn't?' Rulers are used everywhere, from schools and offices to within the home and in a wide range of occupations. They are prevalent is particular fields of study including geometry, printing, technical drawing, architecture, building and engineering.

What are the different types of ruler?

Rulers are made from durable materials like wood, plastic or metal. These materials are hard wearing and are usually shatter resistant and scratch proof as they are made to last a long time.

  • Transparent plastic rulers allow an unobstructed view of the surface underneath for precise measuring and drawing.
  • Stainless steel rulers or an aluminium ruler is very durable and are ideal for use in a workshop. These steel rules often have a satin chrome anti-glare finish for clear visibility of the scale.
  • Wooden rulers are ideal for use at home or in schools, as the wood has a smooth surface, is clear to read and won't split.
  • Flexible rulers or tape measures, are ideal for determining the dimensions of objects with curves and angles. They are able to bend and flex to measure an exact circumference, length, width or height.
  • Machinist's rulers are made from steel and are usually a 6 inch ruler. The imperial machinist scale ruler is divided into increments of 1/10 inch. The metric machinist ruler is divided into millimetres or half-millimetre increments, allowing small, precise measurements to be taken with accuracy.

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Description Price Length Imperial or Metric Material Width Finish Flexible Folding Height Safe
RS庫存編號 387-0098
BrandRS PRO
HK$1,061.50
單位
300mm Imperial, Metric Stainless Steel 29mm Satin Chrome - No -
RS庫存編號 224-5390
BrandStarrett
HK$267.39
單位
300mm Imperial, Metric Steel 25mm Satin Chrome - - -
RS庫存編號 111-5875
BrandRS PRO
HK$100.23
單位
150mm Imperial, Metric Steel 19mm Satin Chrome - No -
RS庫存編號 471-5762
製造零件編號27057
BrandWiha Tools
HK$60.86
單位
2m Metric Plastic 15mm - - Yes -
RS庫存編號 493-409
製造零件編號33232
BrandWiha Tools
HK$133.14
單位
2m Metric Plastic 15mm - - Yes -
RS庫存編號 705-2203
製造零件編號DELA.401.00
BrandFacom
HK$91.97
單位
2m Metric Plastic 16mm - - Yes -
RS庫存編號 513-391
製造零件編號011284
BrandStabila
HK$61.61
單位
2m Metric Wood 16mm - - Yes -
RS庫存編號 300-6613
製造零件編號DELA.1051.150
BrandFacom
HK$18.96
單位
150mm Metric Stainless Steel 13mm - Yes - -
RS庫存編號 910-3230
製造零件編號803.200MSLS
BrandFacom
HK$116.51
單位
200mm Metric Stainless Steel 13mm Satin Yes - Yes
RS庫存編號 304-8819
製造零件編號901 300MM
HK$37.93
單位
300mm Metric Stainless Steel 13mm - Yes - -
RS庫存編號 471-5778
製造零件編號27062
BrandWiha Tools
HK$47.50
單位
1m Metric Plastic 13mm - - Yes -
RS庫存編號 387-0082
BrandRS PRO
HK$516.55
單位
300mm Imperial, Metric Stainless Steel 25mm Satin Chrome - No -
RS庫存編號 300-6629
製造零件編號DELA.1051.200
BrandFacom
HK$27.78
單位
200mm Metric Stainless Steel 13mm - Yes - -
RS庫存編號 304-8803
製造零件編號901 200MM
HK$34.48
單位
200mm Metric Stainless Steel - - Yes - -
RS庫存編號 224-5384
製造零件編號DY481
BrandStarrett
HK$161.30
單位
150mm Imperial, Metric Steel 18.98mm Satin Chrome - - -
RS庫存編號 111-5885
BrandRS PRO
HK$546.32
單位
600mm Imperial, Metric Steel 29mm Satin Chrome - No -
RS庫存編號 251-7213
製造零件編號T3531 100
BrandCK
HK$181.10
單位
1m Metric Aluminium - - - - -
RS庫存編號 111-5882
BrandRS PRO
HK$210.00
單位
300mm - Steel 12.5mm - Yes No -
RS庫存編號 248-9247
BrandRS PRO
HK$515.06
單位
300mm - Steel 12.5mm - Yes No -
RS庫存編號 202-9615
製造零件編號RSR073RS
BrandSybren
HK$101.70
單位
1m Imperial, Metric Wood 38mm - - Yes -