BP1: Material: Acrylic / Polycarbonate. Type: Flanged Spirit Level. Outer Diameter (OD): 63mm. Inner Diameter (ID): 51mm. Depth (D): 16mm. Hole Size (HS): 3mm. SKU: 183.. BP2: Sensitivity: 15' / 2mm. Highly suited for frameworks and foundations. A 15' sensitivity identifies minor tilts (4.363 mm/m), ensuring the stability of structural elements.. BP3: A level that features a base flange for secure mounting onto various surfaces. The design ensures accurate levelling by providing a stable reference point, minimising movement during measurements.. BP4: Flanged bubble levels are used for secure mounting and precise alignment in tools such as tripods, industrial machines, workbenches, camera mounts and lab instruments.. BP5: The black measuring grid radius marks, make for easy reading, and it is perfect for levelling large surface areas.. || PRODUCT DESCRIPTION SUMMARY: Flanged bubble levels, with a secure rim for mounting, ensure precise alignment for tools, machinery, and equipment. Bubble levels use a liquid-filled vial and a central bubble to indicate alignment, vital for construction, surveying, and lab work. Durable, easy to install, and versatile, they’re key for stable and accurate measurements in diverse applications.. || Please see the technical image illustration for size references. All measurements are in millimetres/millimeters. || Product Details: Size_Ref: 63mm. Colour_Ref: Clear. Material_Ref: Acrylic / Polycarbonate. Type_Ref: Flanged Spirit Level. Quantity_Ref: 1. || Dimensions (L x W x D mm): 63 x 63 x 16. || Additional Specifications: Pitch_MM: . Washer_Dimension: Nut_Dimension: Bolt_Dimension: