45° & 135° Angle brackets create a strong inside/outside angle connection to 15 series ( 1.5" x 1.5" t-slot) and 40 series ( 40mm t-slot) aluminum extrusion profiles. Kit includes (2) 45° Brackets (2) 135° Brackets. SEE PRODUCT PICTURES. Check product dimensions. Strong durable 45° angle connection. Works with Aluminum T-Slot extrusion: 1515, 1530, 4040, 4080. Anodized Clear Finish, 1-1/4" Wide 2-2/8" Length. No hardware included.