空研 Company Profile

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 have revised our comprehensive catalog at Kuken Co., Ltd. *For more details, please refer to the related materials or feel free to contact us.

We are pleased to announce that our company will be conducting a campaign with benefits for the Power Torque Setter as detailed below. We encourage you to take advantage of this opportunity to make a purchase. Duration: From February 1, 2025, to March 31, 2025 (2 months) Name: Power Torque Setter Campaign with Benefits Eligible Models: PTS-800ESL-R, PTS-800E, PTS-800EX-L, PTS-1000E, PTS-600EX-L (5 models in total) Campaign Details: During the campaign period, for orders of the above eligible models, we will provide one of the following benefits: 1) Reaction Receiver for JIS (with socket), 2) Reaction Receiver for ISO (with socket), 3) Pitch Adjustable Reaction Receiver, 4) ISO Wheel Setter (set of 2), 5) Drain Separator (with coupler). However, for the PTS-1000E, only one of the following benefits will be available: 1), 2), 4), or 5). Additionally, optional specifications will also be included in the campaign during the campaign period. *For more details, please download the related materials or contact us.