Marksman SL23 Yellow Builders Box Spirit Level 900mm 36 inch 55003C

Marksman Yellow Builders 900mm 36 inch Box Spirit Level

Barcode: 5038673550039

MPN: 55003C

Size 900mm 36"

Overview:

The Marksman Yellow Builders Box Spirit Level 900mm (36 inch) (55003C) is a durable, easy-to-use level designed for everyday building, fitting and marking-out work. Made from a 50 x 20mm aluminium box section, it offers a strong, rigid profile that’s easy to wipe clean ideal for site use where cement, dust and general mess are unavoidable.

The bright hi-vis yellow finish improves visibility on busy jobs, while the three vial setup (horizontal, vertical and 45°) makes it suitable for everything from wall levelling and fencing to brickwork and general construction. Black plastic end caps help protect the level from knocks, and hanging holes make storage simple on hooks or nails.

Key Features

• 900mm (36") builders box spirit level for accurate levelling

• 50 x 20mm aluminium box section for strength and rigidity

• Hi-vis yellow finish for easy visibility on site

• Three vials: horizontal, vertical and 45° for versatile checking

• Easy-clean surface wipes down quickly after cement and dust

• Black plastic end caps help protect against knocks and wear

• Hanging holes for convenient wall storage

Specifications

• Brand: Marksman

• MPN: 55003C

• Barcode: 5038673550039

• Length: 900mm / 36 inch

• Profile: 50 x 20mm box section

• Material: Aluminium

• Vials: Horizontal, vertical, 45°

• End Caps: Black plastic

• Storage: Hanging holes

Applications

• Levelling walls, floors and frameworks during construction

• Bricklaying, fencing and general building work

• Decorating, fitting and DIY projects requiring accurate set-out

• Checking plumb, level and 45° angles during installation

How to Use

• Place the level on the surface or against the workpiece

• Use the horizontal vial for level surfaces and the vertical vial for plumb

• Use the 45° vial to check diagonal angles where required

• Adjust the workpiece until the bubble centres between the lines

• Wipe clean after use to keep vials clear and the body free of build-up

• Store using the hanging holes or keep flat in a toolbox to protect accuracy

Marksman Yellow Builders Box Spirit Level 900mm – Key FAQs

• What size is this Marksman spirit level?
  It’s 900mm long, which is also known as 36 inches an ideal length for walls, floors and general building set-out.

• How many vials does it have?
  It features three bubble vials: horizontal, vertical and 45° for versatile levelling and angle checks.

• Is it easy to keep clean on site?
  Yes. The aluminium box section is easy to wipe down, helping remove cement and dust quickly so markings and vials stay visible.

• Who is this spirit level suitable for?
  It’s suitable for builders, bricklayers, fencers, decorators and DIY users anyone needing reliable level and plumb checks.

• Why is a box section level better than a flat level?
  The box section profile adds rigidity, helping the level stay straight and durable for site work and repeated use.

• Does it have end caps?
  Yes, it has black plastic end caps to help protect the body from knocks and reduce wear over time.

• Can it be stored on a hook?
  Yes, it includes hanging holes for convenient wall storage in a workshop, van racking or site cabin.

• Is it light enough for one-handed use?
  Yes. It’s designed to be durable without being overly heavy, making it easier to use when balancing and marking out on walls.