dr和cr怎么区别125-PC 1／4＂, 3／8＂ & 1／2＂ Dr. Professional CR-V Sae Socket Kit

1/4″ Drive:
10 – Super Lock Sockets: 4-5-6-7-8-9-10-11-12-13 mm
10 – Sockets (6-Pt): 5/32″,3/16″,7/32″,1/4″,9/32″,
        5/16″,11/32″,3/8″,7/16″,1/2″
 4 – Super Lock Deep Sockets: 8-9-10-12 mm
 1 – 150 mm (L) 45 Teeth Reversible Quick Release Ratchet
       Handle With 2-Tone Grip
 1 – 145 mm (L) Spinner Handle With 2-Tone Grip
 1 – 50 mm (2″) Extension Bar
 1 – Universal Joint
 1 – Coupler

3/8″ Drive:
11 – Super Lock Sockets: 9-10-11-12-13-14-15-16-17-18-19 mm
 9 – Sockets (6-Pt): 3/8″,7/16″,1/2″,9/16″,5/8″, 11/16″,3/4″,13/16″,7/8″
 4 – Super Lock Deep Sockets: 13-14-15-17 mm
 8 – E-Type Sockets: E8-E10-E11-E12-E14-E16-E18-E20
 2 – Spark Plug Sockets: 16 & 21 mm (5/8 & 13/16″)
 1 – 200 mm (L) 45 Teeth Reversible Quick Release Ratchet
      Handle With 2-Tone Grip
 2 – Extension Bars: 75 & 150 mm (3″ & 6″)
 1 – Universal Joint
17 – Bit Sockets:
 2 – Slotted: 5.5-7 mm
 2 – Phillips: No.2-3
 2 – Pozidriv: No.2-3
 4 – Hex: 3-4-5-6 mm
 7 – Tx: T20-T30-T40-T45-T50-T55-T60

1/2″ Drive:
 7 – Super Lock Sockets: 20-21-22-24-27-30-32 mm
 4 – Sockets (6-Pt): 15/16″,1″,1-1/6″,1-1/4″
 4 – Impact Sockets, Phosphate Coated: 17-19-21-23 mm
 1 – 250 mm (L) 45 Teeth Reversible Quick Release Ratchet
      Handle With 2-Tone Grip
 2 – Extension Bars: 125 & 250 mm (5″ & 10″)
 1 – Universal Joint

Accessories:
10 – Combination Wrenches: 8-9-10-11-12-13-14-17-18-19 mm
12 – 25 mm (L) X 1/4″ Hex S2 Bits, Nickel Plated:
 2 – Slotted: 4-5 mm
 2 – Phillips: No.1-2
 2 – Pozidriv: No.1-2
 2 – Hex: 5-6 mm
 4 – Tx: T10-T15-T20-T25