BILITOOLS B1F91604 Coil Spring Compressor

The BILITOOLS B1F91604 coil spring compressor is a screw-operated strut tool with interlocking jaws and an adjustable holder. Its stated fit is limited to straight springs within specified size ranges, so confirm your spring dimensions before choosing it.

At a glance

Interlocking hook jaws and a locking mechanism are described alongside an adjustable safeguard brace.
Operated by turning a hex nut with a 19 mm socket or wrench.
The listing states a pair load capacity of up to 1,200 kg.

Price

£42.49Save 15%

Reference price: ~~£49.99~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

The specified jaw and holder ranges give buyers dimensions to compare against a particular spring.
A cross-brace design is intended to keep the clamps parallel, and customer feedback also mentions the cross bar keeping them even.
Customer feedback describes the tool as solidly built and straightforward to use.

Technical specifications

12 specifications

Identity
Brand	BILITOOLS
Model	B1F91604

Capacity and fit
Load per pair	1200kg (2645 lbs)
Spring diameter compatibility	0–0.8 inches (0–20mm) in diameter
Jaw capacity	2.7-10.6 inches (70-270 mm)
Adjustable holder coil diameter	8.6-12.2 inches (220-310 mm)
Spring type	Fits straight springs only; tapered springs not compatible
Stated vehicle application	trucks under 3 tons and large sedans

Materials and operation
Material	45# carbon steel
Drive tool	19mm hex socket or wrench

Dimensions and installation
Weight listed	4.71 kg
Package dimensions	32.69 x 26.49 x 7.01 cm; 4.71 kg

What to know before buying

Compatibility is limited to straight springs. The listing specifies spring diameter of 0–0.8 inches (0–20mm), jaw capacity of 2.7-10.6 inches (70-270 mm), and holder fit of 8.6-12.2 inches (220-310 mm). Apply grease to the threads and maintain even pressure on both sides. The stated load capacity is a listing claim, not an independently verified rating.

Who is it for?

A good fit for

DIY mechanics and workshops handling straight strut springs that fall within the stated diameter and jaw ranges.
Buyers who want a hand-operated compressor with an adjustable holder and a cross-brace arrangement.

Less suited to

Anyone working with tapered springs, which the listing says are incompatible.
Buyers whose spring dimensions fall outside the stated ranges or who need a tool for a different spring-compression setup.

BILITOOLS B1F91604 Coil Spring Compressor · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,184 ratings

5 stars80%80%
4 stars14%14%
3 stars2%2%
2 stars1%1%
1 star3%3%

Customer feedback highlights reported effectiveness, solid construction, ease of use, safety features and secure fit. One customer mentions use on Toyota truck coil overs, while another notes the cross bar keeps the clamps even. These comments align with the tool's stated automotive spring-compression purpose, but do not establish fit for every vehicle or spring size. The overall rating distribution is largely five-star, with a smaller spread across lower ratings, and does not explain the reasons behind individual scores.

Positive themes

Customer feedback describes the tool as effective, solidly built and easy to use.
Feedback mentions the safety features, secure fit and cross bar keeping the clamps even.

Frequently asked questions

Will this compressor fit tapered springs?

No. The listing says it fits straight springs only and that tapered springs are not compatible.

What spring sizes does the listing specify?

It states a spring diameter of 0–0.8 inches (0–20mm), jaw capacity of 2.7-10.6 inches (70-270 mm), and holder fit of 8.6-12.2 inches (220-310 mm). Compare the relevant dimensions with your spring before use.

What tool operates the compressor?

The listing specifies a 19 mm hex socket or wrench to turn the compressor nut.

What should I know about its stated load capacity?

The listing claims up to 1200kg (2645 lbs) per pair. This is a manufacturer claim, not an independently verified measurement. The listing also calls for greasing the threads and applying even pressure on both sides.