Wide combination moulds for edging table tops and shelves. For stationary machines - 16000 rpm recommended speed.specification:d=58mmc=23mmb=12.7mmr1=7.5mmr2=6.1mmshank diameter=1/2 inchspare parts::trend bearing 1/2 dia x 3/16 bore tr_b127atrend spare part pack for nc5 screw tr_sp-c.