Equipment Size Model Number of Dies Steel GRITFACE® Aluminum
4" BUCS4000 3 BUC4000XXXX* BB4000XXXX* BUCA4000XXXX*
4-1/2" LOCKJAW™ BUCS4500 3 BUCS4500XXXX BBS4500XXXX BUCSA4500XXXX
4" STD BUC4500 3 BUC4500XXXX BB4500XXXX BUCA4500XXXX
5-1/2" STD BUCL5500 3 BUCL5500XXXX BB5500XXXX BUCLA5.5XXXX
5-1/2" LOCKJAW™ BUCS5500 2 SIDE CLJ5500XXXX BB5600XXXX CLJA5500XXXX
    1 BACK CLJ5501XXXX BB5601XXXX CLJA5501XXXX
5" UHT BUC5500 3 BUC5500XXXX BB5700XXXX BUCA5500XXXX
5-1/2" DRILLPIPE BUCD5500 3 BUC5500XXXX BB5700XXXX BUCA5500XXXX
5-1/2" XHT BUCD55XHT 3 BUC5500XXXX BB5700XXXX BUCA5500XXXX
6-1/4" LOCKJAW™ BUCS6250 2 SIDE BUCS6250XXXX BB6250XXXX BUCSA6250XXXX
    1 BACK BUCS6251XXXX BB6251XXXX BUCSA6251XXXX
6-1/4" UHT BUC6250 3 BUC7625XXXX BB7625XXXX BUCA7625XXXX
6-3/8" STD BUC6375 3 BUC6375XXXX BB6375XXXX BUCA6375XXXX
7-5/8" UHT BUC7625 3 BUC7625XXXX BB7625XXXX BUCA7625XXXX
7-5/8" LOCKJAW™ BUCS7625 3 BUC7625XXXX BB7625XXXX BUCA7625XXXX
8-5/8" UHT BUC8625 3 BUC8625XXXX BB8625XXXX BUCA8625XXXX
8-5/8" DRILLPIPE BUCDP8500 3 BUC8625XXXX BB8625XXXX BUCA8625XXXX
11-3/4" LOCKJAW™ BUCS11750-01 3 ea. 7-5/8" to 11-3/4" CLE10750XXXX    
11-3/4" LOCKJAW™ BUCS11750-01 3 ea. 4-1/2" to 7-5/8" BUC7625XXXX BB7625XXXX BUCA7625XXXX
11-3/4" LOCKJAW™ BUCS11750-01 3 ea. 2-3/8" to 4-1/2" BUC4500XXXX BB4500XXXX BUCA4500XXXX
15" LOCKJAW™ BUCS15000 3 ea. 5-1/2" to 8-5/8" BUC8625XXXX BB8625XXXX BUCA8625XXXX
15" LOCKJAW™ BUCS15000 3 ea. 8-7/8" to 15" BUC1500XXXX BB1500XXXX BUCA1500XXXX

* XXXX is the O.D. of pipe.