The RHA-50 SDS-plus® right angle attachment allows for effortless drilling into concrete in tight areas. In. addition, the attachment can also be rotated360 degrees in order to obtain the correct working position. The RHA-50 is compatible with all newer Bosch corded SDS-plus® hammers featuring the 50 mm collar, including the 11253VSR, 11255VSR, RH228VC, and RH328VC, as well as the cordless RHH181-1, 11536-C and 11536 VSR.Features Does not fit Bosch models 11250VSR, RH328VCQ, RH432VCQ Provides convenience with a small reduction of tool impact strength Fits most newer Bosch corded SDS-plus® rotary hammers: 11253VSR, 11255VSR. RH228VC, RH328VC and cordless models 11536-C and 11536 VSR Attachment can be rotated 360 degrees on the tool to obtain the correct working position 90 degree angled attachment for Bosch SDS-plus® hammers allows for drilling in concrete in hard to reach places Length: 4.5 in. Diameter: 2.5 in. Weight: 16.9 oz Attachment Angle: 90 degrees Attachment Rotation: 360 degrees Compatibility: Bosch SDS-plus rotary hammers with 50 mm collar Material: Plastic Color/Finish: Black Country of Origin: Germany