42405 Style: Drive Bar, Wt.:5 3/4lb (part# 42405) Loop (300) Drive Bar (300, 535) Universal Drive Shaft This item features: -For use with model No. 141 geared threader when used on RIDGID Model 300 Power Drive. -For use with Model No. 141 geared threader when used on RIDGID Model 300 Power Drive or Model 535 Threading Machine. -No."s 141 & 161 geared threaders, in conjunction with these accessories, allow power drives and threading machines to thread up to 4" and 6" pipe. -A telescoping (41" to 50") drive shaft for operation of Nos. 141 and 161 geared threaders with threading machines. -Price is for 1 Each.