Overall Length: 1-7/8"Material: PlasticConnects To 19mm Ports On Bosch Sanders, Jig Saws, Hammer Tools And AttachmentsUsed To Connect 1-1/4" To 1-1/2" Vacuum Hoses And AccessoriesWorks With Bosch Tools 1250DEVS, 1274DVS, 1275DVS, 1276D, 1276DVS, 1278DVS, 1294VS, 11221DVS, 1370EVS, GSS20-40, OS50VC, ROS10, ROS20VS And ROS65VCUse With Bosch Part Number 1618190006, 1618190009, 2610014502, JA1005, JA1007, JA1009, JS1012, OSC002, OSC003, OSC005, RS006