£70.65

It has never been this cheap. We have no record of a lower price.

£71 today · cheaper than every other day in the last 3 months

Starrett 73B-4 Yankee Spring Nut Inside Calliper - 4 inch

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 31 days · 31 data points (no recent data)

Historical
Generating forecast…
£77.68 £69.95 £71.63 £73.32 £75.01 £76.70 £78.38 23 July 2026 30 July 2026 07 August 2026 14 August 2026 22 August 2026
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73B-4

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Price Distribution

Price distribution over 31 days • 3 price levels

Days at Price
Current Price
1 day · current 8 days 22 days 0 6 11 17 22 £71 £75 £78 Days at Price

Price Analysis

Most common price: £78 (22 days, 71.0%)

Price range: £71 - £78

Price levels: 3 different prices over 31 days

Description

The Starrett 73B-4 Yankee spring-type inside calliper provides a reliable way to transfer internal measurements with high accuracy. Built from high-grade flat stock steel, this tool is designed for durability and ease of use in professional settings. The unique spring nut design allows the threads to engage firmly with the screw under pressure, then release automatically when pressure is withdrawn. This mechanism lets the nut slide freely over the screw, saving significant time during repetitive opening and closing tasks. With a flexible yet strong bow spring and curved leg tips, this calliper ensures smooth action and consistent results for measuring the internal size of objects.

Key Features

The spring nut threads engage with the screw under pressure and release automatically when pressure is withdrawn to save time.

Built from high-grade flat stock steel for long-lasting durability and accurate measurement transfers.

Features a flexible yet strong bow spring to ensure reliable and consistent measurements every time.

Designed with curved tips and outward curving legs to easily capture the internal size of an object.

Includes a centrally located adjustment to provide smooth action throughout the measuring process.

Product Specifications

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