high quality Stylish Design: the single clear handle replacement knob is designed with clear acrylic plated, which especially fits to decorate most bathroom and tub faucet; Also, tilt up to turn on, to left/right for hot or cold water running; Definitely a stylish and effective bathroom accessoryEnjoy Your DIY: there is an offset diamond shape on the back of the faucet knob replacement; Install the set screw and the button, then compatible with the RP212 ball assembly to DIY your tub/shower faucet; Keep the whole DIY process simple and funWhat You Will Receive: the single clear knob handle kit includes 1 x faucet knob, 1 x button and 1 x set screw; 2-1/2"H x 2-1/8"W tub handle replacement fits to DIY home tub faucet handle, is very recommend to buy the bathroom faucet handle to repair your faucet control knob; Please contact us immediately if you have any questionsQuality Reliable: the shower knob replacement kit is made of tough, clean and effective materials and also treated from exquisite grinding, you will never regret choosing the bath tub faucet handle while you receive this shower faucet handleCompatible with Delta Faucet RP2391: the shower knob kit is compatible with Delta model 600 series single knob handle tub/shower faucets (not compatible with Monitor, Scald-Guard, Delta Mix); Please confirm your tub faucet's model before purchasingCompatible with RP212 Ball Assembly: the shower knob is featured with a diamond shaped interior, which has an offset hole (off center handles); There will be better effect that compatible with the RP212 ball assembly with a diamond shaped stem, and keep faucets running longer as well as quality performance