We are pleased to announce that our company will be holding the annual large impact wrench trade-in sale as detailed below. We kindly ask you to consider making a purchase during this period. 【Sale Details】 ■ Period: From August 21, 2025, to orders placed by December 31, 2025 ■ Models: 1) 1” SQ･N type large wrenches: KW-3800ISO-GL, KW-3800proXGL, KW-4500GL, KW-3800P, KW-4500P 2) 1” SQ･D type and other large wrenches: KW-385GL, KW-420GL, KW-380P, KW-40P ■ Sale Content: For orders of eligible model 1), we will provide a trade-in discount of 15,000 yen for the collection of the trade-in machine. For orders of eligible model 2), we will provide a trade-in discount of 10,000 yen for the collection of the trade-in machine. * As an additional benefit, we will also present one original Kuken cold-resistant jacket (included with the order) without fail. * The trade-in machine must be an air impact wrench, and the manufacturer does not matter.

We are pleased to announce that our company will be holding our annual large impact wrench trade-in sale as detailed below. We kindly ask you to consider making a purchase during this period. 【Sale Details】 ■ Period: From August 21, 2024, to orders placed by December 31, 2024 ■ Models: 1) 1” SQ･N type large wrenches: KW-3800ISO-GL, KW-3800proXGL, KW-4500GL, KW-3800P, KW-4500P 2) 1” SQ･D type and other large wrenches: KW-385GL, KW-420GL, KW-380P, KW-40P ■ Sale Content: For orders of the target model 1), we will provide a trade-in discount of 15,000 yen for the collection of the trade-in machine. For orders of the target model 2), we will provide a trade-in discount of 10,000 yen for the collection of the trade-in machine. * As an additional benefit, we will also present one original Kuken cold-resistant jacket (included with the order). * The trade-in machine must be an air impact wrench, and the manufacturer does not matter.

We are pleased to announce that our company will be holding our annual large impact wrench trade-in sale as detailed below. We sincerely hope you will take this opportunity to make a purchase during this period. 【Sale Details】 ■ Period: From August 21, 2023, to December 31, 2023, for orders placed ■ Models: 1) 1” SQ N-type large wrenches: KW-3800ISO-GL, KW-3800proXGL, KW-4500GL, KW-3800P, KW-4500P 2) 1” SQ D-type and other large wrenches: KW-385GL, KW-420GL, KW-380P, KW-40P ■ Sale Content: For orders of the target model 1), a trade-in discount of 15,000 yen will be applied upon collection of the trade-in machine. For orders of the target model 2), a trade-in discount of 10,000 yen will be applied upon collection of the trade-in machine. * As an additional benefit, we will also present one original Kuken cold-resistant jacket (included with the order) without fail. * The trade-in machine must be an air impact wrench, and the manufacturer does not matter.

We are pleased to announce the launch of our new product, the N-type Air Impact Wrench KW-1600proZ. ○ Release Date: Early May 2021 ○ Model Name: KW-1600proZ ○ Product Name: 12.7mm SQ N-type Air Impact Wrench Main Features ○ Compact and lightweight at "1.5kg" with high rotation and high output ○ Adopts the unique N-type clutch mechanism of Kuukan ○ Built-in 5-stage power regulator for excellent operability ○ Maximum tightening torque of 520N·m for high output ○ Protector for visibility and body protection Main Specifications ○ Socket Size: 12.7mm ○ Overall Length (without socket): 175mm ○ Weight (without socket): 1.5g ○ No-load Rotational Speed: 9,600rpm ○ Capable Bolt Diameter: M16 ○ Usable Torque Range: 100–350N·m ○ Maximum Torque: 520N·m *For more details, please download the related materials or contact us.

We are pleased to announce the launch of our new product, the ultra-lightweight air impact wrench KW-3800ISO-GL. ○ Release Date: April 20, 2021 ○ Model Name: KW-3800ISO-GL ○ Product Name: 25.4mm SQ N-type Air Impact Wrench Main Features ○ Achieves a weight of 6.0 kg, the lightest class in the 25.4mm SQ category ○ An air impact wrench specialized for the removal and installation of ISO-type wheels on large vehicles ○ High-output left rotation (loosening direction) ○ Equipped with the unique N-type clutch mechanism from Kuukan Main Specifications ○ Drive Size: 25.4mm ○ Overall Length (without socket): 448mm ○ Weight (without socket): 6.0kg ○ No-load Rotational Speed: Left 6,500rpm, Right 5,500rpm ○ Maximum Bolt Diameter: M38 ○ Usable Torque Range: Left 300 to 1,370Nm, Right 250 to 1,140Nm ○ Maximum Torque: Left 1,800Nm, Right 1,500Nm *For more details, please download the related materials or contact us.