Fastener Installation Tools. This platform permits the attachment of accessories to various offset or straight motors in horsepower and speed matched to the fastener specification. Modular attachments are available in 17° Indexable or Fixed, 20° Indexable or Fixed, “L” Type Attachments, and Straight Install Attachments. We offer various series of the above mentioned attachments - the series correlated to the torque capacity of fastener. To further the versatility of the attachments we offer three drive styles: A socket and key system, a flush gear with a key and a hex through with no key control to allow access to confined space installations. In addition to the modular installation tools we also offer Ratchet Install Tools in Straight, 17° and 20° Head Styles with torque capacity to 400 in- lbs.